How far does the water level drop in a
cylindrical tank of internal diameter 35 cm if
11 litres are drawn off?

Answers

Answer 1

The water level drops by approximately 13.61 cm in the cylindrical tank when 11 liters of water are drawn off.

What is the drop of the water level?

To calculate how far the water level drops in a cylindrical tank when a certain volume of liquid is drawn off, we can use the formula for the volume of a cylinder, which is given by:

V = πr^2h

where;

V is the volume,r is the radius of the cylinder, and h is the height of the cylinder.

Given that the internal diameter of the tank is 35 cm, we can find the radius by dividing it by 2:

r = 35 cm / 2 = 17.5 cm

We are also given that 11 liters (11 L) of water is drawn off from the tank. To convert liters to cubic centimeters (cm^3), we can use the conversion 1 L = 1000 cm^3.

Therefore, 11 L is equal to:

11 L × 1000 cm^3/L = 11000 cm^3

Now we can rearrange the formula for the volume of a cylinder to solve for the change in height (Δh) of the water level:

V = πr^2Δh

Δh = V / (πr^2)

Plugging in the values we have:

Δh = 11000 cm^3 / (3.14159 × (17.5 cm)^2)

Calculating the result, we get:

Δh ≈ 13.61 cm

Learn more about water level here: https://brainly.com/question/30015788

#SPJ1


Related Questions

cars arrive randomly at a tollbooth at a rate of 25 cars per 11 minutes during rush hour. what is the probability that exactly five cars will arrive over a five-minute interval during rush hour?

Answers

Therefore, the probability of exactly 5 cars arriving over a 5-minute interval during rush hour is approximately 0.017 or 1.7%.

To solve this problem, we first need to determine the rate of cars arriving per minute. We can do this by dividing 25 cars by 11 minutes, which gives us a rate of approximately 2.27 cars per minute.

Next, we need to use the Poisson distribution formula to calculate the probability of exactly 5 cars arriving over a 5-minute interval. The Poisson distribution is used to model the probability of a certain number of events occurring within a given time frame when those events occur randomly and independently of each other.

The formula for the Poisson distribution is:

[tex]P(X = k) = (e^-lambda * lambda^k) / k![/tex]

Where:
- P(X = k) is the probability of k events occurring within the specified time frame
- e is Euler's number (approximately equal to 2.718)
- λ is the average rate of events occurring per unit of time (in our case, 2.27 cars per minute)
- k is the number of events we want to calculate the probability for
- k! is the factorial of k (i.e., k! = k * (k-1) * (k-2) * ... * 2 * 1)

Plugging in the values we have, we get:

[tex]P(X = 5) = (e^-2.27 * 2.27^5) / 5![/tex]
P(X = 5) = (0.040 * 51.84) / 120
P(X = 5) = 0.017

Therefore, the probability of exactly 5 cars arriving over a 5-minute interval during rush hour is approximately 0.017 or 1.7%.

Learn more about probability here:

https://brainly.com/question/30034780

#SPJ11

The probability that exactly five cars will arrive over a 5-minute interval during rush hour is approximately 0.0126 or 1.26%.

To solve this problem, we will use the Poisson distribution formula.

Calculate the average arrival rate (λ) for a 5-minute interval.
Since 25 cars arrive in 11 minutes, we can find the rate per minute as follows:
(25 cars) / (11 minutes) ≈ 2.27 cars per minute
For a 5-minute interval, multiply the rate per minute by 5:
(2.27 cars per minute) × (5 minutes) ≈ 11.36 cars.

Use the Poisson distribution formula to find the probability.
The Poisson distribution formula is:
[tex]P(x) = (e^{-\lambda} *  (\lambda^x)) / x![/tex]
In this problem, x = 5 (exactly five cars) and λ ≈ 11.36.
Calculate the probability.
P(5) = (e^(-11.36) × (11.36^5)) / 5!
P(5) ≈ 0.0126.

For similar question on probability.

https://brainly.com/question/30075981

#SPJ11

pls pls pls helpjust need the answer

Answers

Answer:

k = - 8

Step-by-step explanation:

given that (x - a) is a factor of f(x) , then f(a) = 0

given

(x - 1) is a factor of f(x) then f(1) = 0 , that is

3(1)³ + 5(1) + k = 0

3(1) + 5 + k = 0

3 + 5 + k = 0

8 + k = 0 ( subtract 8 from both sides )

k = - 8

Olivia rides her scooter 34
mile in 13
hour. What constant of proportionality relates the distance she travels to the time?

Answers

The proportionality constant that relates the distance traveled by Olivia to time is 34/13, or approximately 2.615.

The constant of proportionality is related to the distance Olivia travels and the time it takes to travel that distance. You can find it by dividing the distance by the time.

constant of proportionality = distance / time = 34 miles / 13 hours

This division can be simplified by partitioning both the numerator and denominator by their most prominent common divisor, 1.

 constant of proportionality = 34/13

Therefore, the proportionality constant that relates the distance traveled by Olivia to time is 34/13, or approximately 2.615 (rounded to three decimal places).  

learn more about the proportionality constant

brainly.com/question/29126727

#SPJ4

X-y=-3 ordered pairs

Answers

The ordered pairs of the relation x - y = -3 is shown below

Listing the ordered pairs of the relation

To list some ordered pairs that satisfy the equation x - y = -3, we can choose any value of x and solve for y.

For example:

If x = 0, then y = 3. So one ordered pair is (0, 3).If x = 1, then y = 4. So another ordered pair is (1, 4).If x = -1, then y = 2. So another ordered pair is (-1, 2).If x = 2, then y = 5. So another ordered pair is (2, 5).If x = -2, then y = -1. So another ordered pair is (-2, -1).

We can continue to choose any value of x and find the corresponding value of y that satisfies the equation x - y = -3 to generate more ordered pairs.

Read more about linear relation at

https://brainly.com/question/30318449

#SPJ1

10 friends arrive to get their covid vaccine during a particular time slot. during that time slot there are 4 identical nurses administering shots, but 1 of the nurses may (or may not) be scheduled for a break during the time slot in which the friends arrive. also, how long it takes the nurses to administer a shot varies wildly, so the nurses working during the time slot are guaranteed to serve at least 1 person, but how many additional people they are able to serve is arbitrary. how many different combinations are there for the number of patients served by the nurses?

Answers

There are infinite combinations for the number of patients served by the nurses in both cases, considering the variability of the number of patients served by each nurse.

To calculate the different combinations for the number of patients served by the nurses, we need to consider the possible scenarios of the nurse who may or may not take a break during the time slot.

Case 1: The nurse who may take a break serves patients
In this scenario, all 4 nurses are administering shots and the nurse who may take a break is also serving patients. Let's say the nurses are able to serve x, y, z, and w patients respectively, where x, y, z, and w are arbitrary numbers. Then the total number of patients served is x + y + z + w. Since the nurses are able to serve an arbitrary number of patients, there are infinite combinations of x, y, z, and w that can add up to the total number of patients served. Therefore, there are infinite combinations for the number of patients served by the nurses in this case.

Case 2: The nurse who may take a break does not serve patients
In this scenario, only 3 nurses are administering shots and the nurse who may take a break is not serving patients. Let's say the 3 nurses are able to serve x, y, and z patients respectively. Then the total number of patients served is x + y + z. Again, since the nurses are able to serve an arbitrary number of patients, there are infinite combinations of x, y, and z that can add up to the total number of patients served. Therefore, there are infinite combinations for the number of patients served by the nurses in this case as well.

Learn more about combinations here:

https://brainly.com/question/20211959

#SPJ11

There is a total of [tex]$84+112 = 196$[/tex] different combinations for the number of patients served by the nurses.

The possible scenarios for the number of patients served by the nurses:

If all four nurses are available and each serves one patient, then the remaining six patients can be distributed among the four nurses in any way.

This can be done in [tex]${{6+4-1}\choose{4-1}} = {{9}\choose{3}} = 84$[/tex] ways using stars and bars.

If one nurse is on a break, then three nurses serve one patient each and the remaining six patients can be distributed among the three nurses in any way. Let's examine the following situations to see how many patients the nurses may serve:

The remaining six patients can be divided whichever you choose among the four nurses if all four are available and each treat one patient.

A nurse is taking a break, the other three nurses take turns caring for one patient apiece while dividing the remaining six patients anyway they see fit.

The four nurses may be taking a break, we increase this by 4, giving us [tex]$4[/tex] times 28 to equal 112 possible combinations.

This can be done in [tex]${{6+3-1}\choose{3-1}} = {{8}\choose{2}} = 28$[/tex] ways using stars and bars.

The four nurses could be on a break, we multiply this by 4 to get[tex]$4 \times 28 = 112$[/tex]ways.

For similar questions on combinations

https://brainly.com/question/28065038

#SPJ11

Suppose money grows according to the simple interest accumulation function a(t) = 1. 05t. How much money would you need to invest at time 3 in order to have $3,200 at time 8?

Answers

$2,560 needs to be invested at time 3 in order to have $3,200 at time 8.

Since the money grows according to the simple interest accumulation function a(t) = 1.05t, the amount of money A at time t, given an initial amount P, can be calculated using the formula:

A = P + Pr(t)

where r is the interest rate (in this case, 5% or 0.05) and t is the time period (measured in years).

To determine how much money needs to be invested at time 3 to have $3,200 at time 8, we can use the above formula and solve for P:

3200 = P + Pr(8-3)

3200 = P + 5P(0.05)

3200 = P + 0.25P

3200 = 1.25P

P = 3200 / 1.25

P = 2560

Therefore, an initial investment of $2,560 at time 3 would be needed to have $3,200 at time 8, assuming a simple interest accumulation function with an interest rate of 5%.

Learn more about simple interest;

https://brainly.com/question/25845758

#SPJ4

How are tides caused by the gravitational pull of the moon and sun?

Why does the moon have a greater effect on Earth's tides than does the sun?

Answers

The Moon and Sun's gravitational pull on the waters of Earth is what causes tides.

What is gravitational pull?

The Moon and Sun's gravitational pull on the waters of Earth is what causes tides. The gravitational pull between any two objects is determined by both their masses and their separation from one another. Although having a far larger mass than the Moon, the Sun is located much distant from Earth. This indicates that the Moon's gravitational pull on the oceans of Earth is greater than that of the Sun.

The water on the side of the Earth that faces the Moon is drawn towards it by the Moon's gravitational attraction, creating a high tide. Another high tide results from simultaneous pulls on the opposite side of the Earth's water towards the Moon.

Learn more about gravitational pull, here:

https://brainly.com/question/13467280

#SPJ1

The moon has a greater effect on Earth's tides than the sun because it is much closer to Earth.

What are gravitational pull?

Gravitational pull is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun. It also keeps the moon in orbit around Earth.

The Moon and Earth exert a gravitational pull on each other. On Earth, the Moon's gravitational pull causes the oceans to bulge out on both the side closest to the Moon and the side farthest from the Moon. These bulges create high tides. The low points are where low tides occur.

The moon has a greater effect on Earth's tides than the sun because it is much closer to Earth. The gravitational force between two objects decreases as the distance between them increases, so the moon's gravitational pull on Earth's oceans is much stronger than the sun's. However, during certain times of the year, when the sun and moon are aligned, their combined gravitational pull can create especially high or low tides, known as spring tides.

Learn more about gravitational pull here:

https://brainly.com/question/13467280

#SPJ1

the probability model for the number of heads observed when you flip a coin 4 times is below. what is the probability of observing less than 3 heads?

Answers

The probability of observing less than 3 heads is  0.6875 when you flip a coin four times.

Probability is a method that is used to find the number of events likely to occur. There are 3 types of probability which are Theoretical Probability, Experimental Probability, and Axiomatic Probability.

The formula used to find the probability is given as ;

P(E) = Number of Outcomes / Total Number of Outcomes.

We have to find the probability of observing less than 3 heads.

if the coin is tossed four times then the total number of outcomes is 16

Let X be the number of heads observed in 4 tosses of a coin, Then

the probability of getting x heads in 4 flips  is P ( X = x )

The probability of observing less than 3 heads is expressed as,

P ( X < 3 ).

P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)

= 1/16 + 4/16 + 6/16

= 11/16

= 0.6875

Therefore, the probability of observing less than 3 heads is 0.6875.

To learn more about the probability:

https://brainly.com/question/30390037

#SPJ4

assume that the failure strength of a beam can be represented by a normal distribution where the population standard deviation is 4 psi. if you need the width of the 95% confidence interval to be 3 psi, how large of a sample do you need?

Answers

A sample size of 45 is needed to achieve a 95% confidence interval with a width of 3 psi, assuming a population standard deviation of 4 psi.

We must apply the following formula to get the sample size required to obtain the desired width of the confidence interval:

n = (z * σ / E)²

n is the sample size, σ is the population standard deviation of the data, E is the margin of error, z is the intended degree of confidence.

Inputting the values provided yields:

n = (1.96 * 4 / 1.5)²

n = 44.23

So, we need a sample size of 45 to get a confidence level of 95%.

To know more about Confidence interval, visit,

https://brainly.com/question/20309162

#SPJ4

Kyla brought pies to a picnic. After the picnic, Kyla noticed 16/8 of the pies were eaten.

How many of the pies that Kyla brought to the picnic were eaten?


A. 16

B. 8

C. 2

D. 1

Answers

The number of pies that Kyla brought to the picnic were eaten = 2

The correct answer is an option (C)

According to the statement 'after the picnic, Kyla noticed 16/8 of the pies were eaten.'

We can observe that the number of pies that Kyla brought to the picnic were eaten is given by the fraction 16/8

Now we simplify this fraction.

We know that 16 = 8 × 2

So the numerator of the above fraction becomes,

16/8 = (2 × 8) / 8

       = (2 × 8)/(1 × 8)

       = 2/1           ........(cancelling common factor)

       = 2

Therefore, 2 pies were eaten.

The correct answer is an option (C)

Learn more about the fraction here:

https://brainly.com/question/8969674

#SPJ4

the population of japan can be modeled by the function where measures the population in millions and represents the number of years since 2000. using this model, what was the population of japan in 2007? predict the population of japan in 2020. if this growth rate continues, in what year will the population of japan reach 2 billion people?

Answers

Specific function is not provided. To calculate, we need to find predict, and determine population.


1. Growth rate: This is the rate at which the population increases or decreases over time.

2. Measures: In this context, "measures" refers to the way the population is represented in the function, which is in millions.

3. Function: This is a mathematical relationship that describes how the population of Japan changes with respect to time (years since 2000).

To answer your question with a given function, follow these steps:

Step 1: Find the population in 2007.
Plug in the value of the number of years since 2000 (7) into the function and calculate the population in millions.

Step 2: Predict the population in 2020.
Plug in the value of the number of years since 2000 (20) into the function and calculate the population in millions.

Step 3: Determine when the population reaches 2 billion.
Set the function equal to 2000 (since 2 billion people = 2000 million) and solve for the number of years since 2000. Convert this result to the actual year by adding the number of years to 2000.

Once you have the specific function, you can follow these steps to find the answers to your questions.

Learn more about function here:

https://brainly.com/question/29463172

#SPJ11

The growth rate continues, the population of Japan will reach 2 billion people in approximately the year

2226 (adding 226.3 to 2000).

To find the population in 2007, we simply need to substitute 7 for t in the function:

[tex]P(7) = 127.7(1.002)^7 ≈ 127.7(1.015) ≈ 129.6 million[/tex]

Therefore, the population of Japan in 2007 was approximately 129.6 million.

To predict the population in 2020, we substitute 20 for t in the function:

[tex]P(20) = 127.7(1.002)^20 ≈ 127.7(1.044) ≈ 133.2 million[/tex]

Therefore, the predicted population of Japan in 2020 is approximately 133.2 million.

To find the year in which the population of Japan reaches 2 billion people, we need to solve for t in the equation:

[tex]2,000 = 127.7(1.002)^t[/tex]

Taking the natural logarithm of both sides and solving for t:

ln(2,000/127.7) = t ln(1.002)

t ≈ 226.3

Therefore, if the growth rate continues, the population of Japan will reach 2 billion people in approximately the year

2226 (adding 226.3 to 2000). However, it is important to note that this is a theoretical calculation and does not take

into account any changes in the growth rate or other factors that may affect population growth in Japan.

for such more quesation on population

https://brainly.com/question/29885712

#SPJ11

The bearing from a lighthouse to Ship A is S 71° E. The bearing from the lighthouse to Ship B is S 39° E. If Ship A is 15 kilometers from the lighthouse and

Ship B is 96 kilometers from the lighthouse, find the distance between the ships

Answers

The distance between Ship A and Ship B is approximately 89.4 kilometers.

Now we can see that we have created a triangle with vertices L, A, and B. We want to find the length of side AB, which represents the distance between the ships. To do this, we can use the Law of Cosines, which states that for any triangle with sides a, b, and c and angle C opposite side c,

c² = a² + b² - 2abcos(C)

In our case, c represents the distance between the ships, a represents the distance from the lighthouse to Ship A, and b represents the distance from the lighthouse to Ship B. We know that the angle between the two bearings is 32 degrees (since 71 + 39 = 110 and 180 - 110 = 70, and 70 - 39 = 32). So we can plug in the values we know and solve for c:

c² = 15² + 96² - 2(15)(96)cos(32)

c ≈ 89.4

To know more about distance here

https://brainly.com/question/4199102

#SPJ4

Please help!! URGENT!!

Answers

The interest rate of the given investment is calculated as: 14%

How to solve Simple Interest Problems?

The formula for the simple interest is:

i = prt

where:

p is the principal (starting amount)

i is the interest earned

r is the interest rate expressed as decimal

t is the time period in years

We are given:

i = $245

p = $7000

t = 3 months = 0.25 years

Thus:

r = i/pt

r = 245/(7000 * 0.25)

r = 0.14 or 14%

Read more about Simple Interest at: https://brainly.com/question/25793394

#SPJ1

I need help with this can someone help pls

Answers

Step-by-step explanation:

(x² /x² + 7x + 6)÷(9x - 9/x² - 1)

(x²/(x + 1)(x + 6))×((x + 1)(x - 1)/9(x - 1))

(x²/(x + 6))×1/9

x²/9(x + 6)

The Gabrielsons ran a family relay race. The distance run by each family member (in kilometers) is listed below.
11
,
4
,
8
,
2
,
5
11,4,8,2,5

Answers

The Gabrielsons ran a total of 30 kilometers in the family relay race.

What is the equivalent expression?

Equivalent expressions are expressions that perform the same function despite their appearance. If two algebraic expressions are equivalent, they have the same value when we use the same variable value.

It seems that there are five family members who participated in the relay race, and the distance run by each of them in kilometers is listed as follows:

11, 4, 8, 2, 5

To find the total distance run by the family, we simply add up the distances:

11 + 4 + 8 + 2 + 5 = 30

Therefore, the Gabrielsons ran a total of 30 kilometers in the family relay race.

To learn more about the equivalent expression visit:

https://brainly.com/question/2972832

#SPJ1

Explain why the degree of the term 5y^3 is 3 and the degree of the polynomial 2y+y+2y is 1

Answers

Answer:

variable y of 5y³ is raised to 3 thus, its degree is 3 and variable y of 2y+y+2y is raised to 1, thus its degree is 1.

Sarah and Nathan each picked a bucket of strawberries. Sarah picked 4 1/4 pounds, and Nathan picked 3 3/4 pounds. How many pounds did they pick altogether?



8 pounds

8, 1/2, pounds

7 1/2 pounds

7 pounds

Answers

Answer:

8 pounds

Step-by-step explanation:

Simply add the fractions. Think of mixed fractions as whole numbers + fractions.

[tex]4\frac{1}{4} =\\4+\frac{1}{4} \\\\\\3\frac{3}{4} =\\3+\frac{3}{4}[/tex]

Now, add all the terms together:

[tex]4+\frac{1}{4}+3+\frac{3}{4} =\\\\ 7+\frac{4}{4}[/tex]

4/4 can be rewritten as 1, so we have:

[tex]7+\frac{4}{4} =\\\\ 7+1= \\\\8[/tex]

Thus, Sarah and Nathan picked 8 pounds of strawberries altogether.

62 2/3 8 29larry has $4$-cent stamps and $9$-cent stamps, which he can combine to produce various amounts of postage. for example, he can make $40$ cents by using four $9$-cent stamps and a $4$-cent stamp, or by using ten $4$-cent stamps. however, there are some amounts of postage he can't make exactly, such as $10$ cents. what is the largest number of cents that larry cannot make exactly from a combination of $4$- and/or $9$-cent stamps? 1/3

Answers

Larry cannot make exactly 23 cents using only 4-cent and/or 9-cent stamps, but he can make any amount of postage greater than or equal to 24 cents.

Why Larry cannot make exactly 23 cents using only 4-cent or 9-cent stamps?

The problem of finding the largest number of cents that Larry cannot make exactly using only 4-cent and/or 9-cent stamps is a classic example of the Frobenius coin problem. This problem arises in many areas of mathematics, including number theory and combinatorics.

To solve the problem, we can use the coin-changing algorithm, which is a general method for finding the largest amount that cannot be formed from any combination of two coin denominations. The algorithm states that the largest amount N that cannot be formed using denominations a and b is given by:

N = ab - a - b

In this case, a = 4 cents and b = 9 cents, so we have:

N = 4 x 9 - 4 - 9 = 23

Therefore, the largest amount of postage that Larry cannot make exactly using only 4-cent and/or 9-cent stamps is 23 cents. This means that he can make any amount of postage greater than or equal to 24 cents using these stamps.

The Frobenius coin problem has many practical applications, such as in currency systems, vending machines, and computer algorithms for making change. It also has connections to other areas of mathematics, such as group theory and geometry.

Learn more about Frobenius coin problem

brainly.com/question/31236446

#SPJ11

a 20-sided die has sides with the following symbols: two sides are blank three sides have green squares four sides have red triangles five sides have blue circles six sides have yellow crosses the die will be rolled 12 times. let x be the number times the die lands on a green square. x has a binomial distribution. what is a trial? [ select ] what would be considered a success? [ select ] how many trials? n

Answers

A trial in the context of a binomial distribution refers to a single experiment or attempt with a success or failure outcome.

A success in this problem is defined as the die landing on a green square, and the number of trials is 12.

A trial, in this context, refers to rolling the 20-sided die once.

When the die is rolled 12 times, each of those 12 rolls is considered a separate trial.
A success is the outcome that we are interested in tracking.

In this case, a success is when the die lands on a green square.
The number of trials, denoted by 'n', is the total number of times the die is rolled.

In your question, the die will be rolled 12 times, so n = 12.
To recap:
- A trial: Rolling the 20-sided die once
- A success: The die landing on a green square.
- Number of trials (n): 12.

Since x has a binomial distribution, this implies that each trial is independent, and the probability of success remains constant throughout all trials.

For similar question on distribution.

https://brainly.com/question/24802582

#SPJ11

Just check the inserted file. (I’m too lazy to solve it or enter it into a calc tho I can do it)

Answers

Answer:

The procedure is too tiring but I will arrive at neg107 over 377

the amount of medication in rory's bloodstream decreases at a rate that is proportional at any time to the amount of the medication in the bloodstream at that time. rory takes 150 150150 milligrams of medication initially. the amount of medication is halved every 13 1313 hours. how many milligrams of the medication are in rory's bloodstream after 8 88 hours?

Answers

After 8 hours, there are approximately 76.052 milligrams of medication remaining in Rory's bloodstream.

To solve this problem, we can use the concept of exponential decay, where the amount of medication decreases at a constant rate proportional to the amount present at that time.

Given that the medication is halved every 13 hours, we can determine the decay constant (k) using the formula:

k = ln(0.5) / 13

where ln represents the natural logarithm.

Now, let's calculate the decay constant:

k = ln(0.5) / 13

≈ -0.05314 (rounded to five decimal places)

The equation representing the amount of medication (M) in Rory's bloodstream at any given time (t) is:

[tex]M(t) = M_o \times e^{(kt)[/tex]

where M₀ is the initial amount of medication (150 milligrams).

After 8 hours (t = 8), we can calculate the amount of medication remaining in Rory's bloodstream:

[tex]M(8) = 150 \times e^{(-0.05314 \times 8)[/tex]

M(8) ≈ 76.052 milligrams (rounded to three decimal places)

Therefore, after 8 hours, there are approximately 76.052 milligrams of medication remaining in Rory's bloodstream.

Learn more about exponential decay, click;

https://brainly.com/question/2193799

#SPJ12

Lesson 15.3 Tangents and Circumscribed Angles
Proof of Circumscribed Angle Theorem
Given: ZAXB is a circumscribed angle of circle C.
Prove: ZAXB and ZACB are supplementary.
Complete the proof.
X
A
B
C
If ZAXB is a circumscribed angle of circle C, XA and XB are
Student Home No
ConnectED

Answers

Angle ACB = 180 degrees - angle ADC . AXB and angle ACB are supplementary

What are supplementary angles with example?

Supplementary angles are  angles whose sum is 180 degrees. For example, an angle of 130° and an angle of 50° are supplementary angles, because the sum of 130° and 50° is  180°. Similarly, complementary angles add up to 90 degrees.

 To show that angle AXB and angle ACB are supplementary, we must show that their sum is  180 degrees.  

First, we can use the fact that angle AXB is a circumscribed angle of circle C to say that XA and XB are the ears of the circle that intersect at  B. Let O be the center of  circle C. Then, by the inscribed angle theorem, we get:

angle AOB = 2 * angle AXB

Similarly, we can say that AC is a chord of a circle that intersects  XB at  D. Then, using the inscribed angle theorem again, we get:

angle AOC = 2 * angle ADC

Since the angles AOB and AOC are both subtended by the arc AC, they are equal. Therefore, we can equate the expressions  AOB and AOC:

2 * angle AXB = 2 * angle ADC

Simplifying this expression, we get:

angle AXB = angle ADC

Now we can use this fact to show that angle AXB and angle ACB are supplementary. Since the angles AXB and ADC are opposite angles of the cyclic quadrilateral AXDC, we know that they add up to 180 degrees:

angle AXB + angle ADC = 180 degrees

Replacing angle AXB with angle ACB (since they are equal), we get:

angle ACB + angle ADC = 180 degrees

In the reorganization, we have:

angle ACB = 180 degrees - angle ADC

So angle ACB and angle ADC are also supplementary. Therefore, we have shown that angle AXB and angle ACB are supplementary by necessity.

Learn more about Complementary angle here

https://brainly.com/question/5708372

#SPJ1

5 out of 7 questions. PLEASE help me.

Answers

Answer:

5 units is the distance

Step-by-step explanation:

7,2 is point c

7,7 is point d

7 - 7 = 0

7 - 2 = 5

5 is the answer

Ratio of 2:3:30 in 385​

Answers

The ratio of 2:3:30 in 385​ can be expressed with the values 22:33:330 repectively.

How can the ratio can be gotten?

To find the actual values represented by the ratio 2:3:30 in 385, we need to first add up the parts of the ratio: 2 + 3 + 30 = 35.

Next, we can find the value of each "part" of the ratio by dividing the total value (385) by the total number of parts (35):

385 ÷ 35 = 11

Now we can multiply each part of the ratio by this value to find the actual values:

2 x 11 = 22

3 x 11 = 33

30 x 11 = 330

So the ratio 2:3:30 in 385 represents the values 22:33:330.

Learn more about ratio at:

https://brainly.com/question/12024093

#SPJ1


Kayla has three different sizes of plates. 7.G.4
Part A: The table shows the circumferences of the plates. Find the radius
and diameter for each plate. Use 3.14 for T.
43.96
28.26
Circumference (in.)
Radius (in.)
Diameter (in.)
21.98
Part B: How did you find the radius and the diameter of each plate?

Answers

So the radius and diameter for each plate are:

Plate 1: radius ≈ 7 in., diameter ≈ 14 in.

Plate 2: radius ≈ 4.5 in., diameter ≈ 9 in.

Plate 3: radius ≈ 3.5 in., diameter ≈ 7 in.

What is circumference?

Circumference is the distance around the edge of a circle. It is the total length of the boundary of a circle. It is also referred to as the perimeter of a circle. The circumference of a circle can be calculated using the formula: C = 2πr where C is the circumference, r is the radius of the circle, and π is a mathematical constant with an approximate value of 3.14. The circumference of a circle is directly proportional to its radius; that is, as the radius of a circle increases, the circumference also increases.

Here,

Part A:

To find the radius and diameter of each plate, we can use the formula for the circumference of a circle:

C = 2πr

where C is the circumference and r is the radius. We can rearrange this formula to solve for the radius:

r = C / 2π

Using the given circumferences and the value of π as 3.14, we can find the radius for each plate:

Plate 1:

C = 43.96 in.

r = 43.96 / (2 x 3.14) ≈ 7 in.

d = 2r ≈ 14 in.

Plate 2:

C = 28.26 in.

r = 28.26 / (2 x 3.14) ≈ 4.5 in.

d = 2r ≈ 9 in.

Plate 3:

C = 21.98 in.

r = 21.98 / (2 x 3.14) ≈ 3.5 in.

d = 2r ≈ 7 in.

So the radius and diameter for each plate are:

Plate 1: radius ≈ 7 in., diameter ≈ 14 in.

Plate 2: radius ≈ 4.5 in., diameter ≈ 9 in.

Plate 3: radius ≈ 3.5 in., diameter ≈ 7 in.

Part B:

To find the radius and diameter of each plate, we used the formula for the circumference of a circle and rearranged it to solve for the radius. We then used the formula for the diameter of a circle, which is simply twice the radius, to find the diameter. We also used the value of π as 3.14 in our calculations.

To know more about circumference,

https://brainly.com/question/11213974

#SPJ1

he population standard deviations for the prices can be assumed to be $20 in atlanta and $25 in houston. based on the sample data, can you conclude that the mean price of a hotel room in atlanta is lower than one in houston?

Answers

Answer:

No, I can't conclude that the mean price of a hotel room in Atlanta is lower than the mean price of a hotel room in Houston. We do not know how many hotel rooms there are in each city, and we don't know the prices of the hotel rooms in each city.

Write the coordinates of the vertices after a dilation with a scale factor of 1/4, centered at the origin.

Answers

Answer:

E'(-2, 2)F'(0, 0)G'(-2, -2)

Step-by-step explanation:

You want the coordinates of the vertices of ∆E'F'G' after ∆EFG has been dilated with a scale factor of 1/4.

Dilation

Dilation about the origin multiplies each preimage coordinate by the scale factor.

  E' = (1/4)E = (1/4)(-8, 8) = (-2, 2)

  F' = (1/4)F = (1/4)(0, 0) = (0, 0)

  G' = (1/4)G = (1/4)(-8, -8) = (-2, -2)

The coordinates after dilation are E'(-2, 2), F'(0, 0), G'(-2, -2).

<95141404393>

carl throws a single die twice in a row. for the first throw, carl rolled a 2; for the second throw he rolled a 4. what is the probability of rolling a 2 and then a 4? answer choices are in the form of a percentage, rounded to the nearest whole number.

Answers

To the nearest whole number, the probability of rolling a 2 and a 4 is 2.8%.

A 2 rolling up on the first throw has a 1/6 chance of happening. Given that a 2 was rolled on the first throw, the likelihood of rolling a 4 on the second throw is equally 1/6. We will have to multiply the probabilities to get the probability of both the events happening,

= (1/6)x(1/6)

= 1/36.

We get 2.8% after converting to a percentage and rounding to the next full amount. So, the chance of rolling a 2 and then a 4 is found to be 2.8% chance.

To know more about Probability, visit,

https://brainly.com/question/24756209

#SPJ4

Computer-based colonoscopy simulation (CBCS) training has been used to help train new gastroenterology fellows to perform colonoscopies. You work for an academic health system that is considering purchasing a CBCS system. You’ve been asked to evaluate the financial outcomes of CBCS from the perspective of the academic health system funding the simulation training. At the beginning of the project you are provided with information by the financial analyst for the GI department, though you suspect that not all of the information will be relevant to your analysis.
Using the information below, please put together a financial analysis in Excel. Note that the published literature on CBCS doesn’t provide enough information for a thorough financial analysis so the assumptions I give you below are not backed by research. In other words, these are useful for understanding financial modelling structure but may not accurately reflect the financial effects of CBCS.
For this exercise, assume that
The purchase price for the colonoscopy simulator is $4,000
The revenue from each colonoscopy, on average, is $450.
Each colonoscopy requires $200 worth of supplies.
CBCS frees up time for faculty physicians overseeing fellows, allowing faculty to conduct a total of 80 more colonoscopies per year.
Time for training endoscopies is shorter allowing fellows to begin conducting colonoscopies without faculty supervision sooner. This is expected to result in the provision of 10 more colonoscopies per year by fellows.
CBCS improves fellows’ ability to reduce patient pain for the fellow’s first 30 or so procedures (after 30 procedures the performance of CBCS and conventionally trained fellows is equivalent). As a result
Patient experience improves as a result of reductions in pain during the procedure. Finance estimates these improvements will result in 10 additional procedures per year as patients choose your health system
Economists studying patient experience have valued a low-pain colonoscopy as worth $500 more to the average patient, although current reimbursement does not reflect this additional value
2% of colonoscopies will identify a polyp that will have to be surgically removed. All of these surgeries occur at the health system and profit per surgery averages $1,000
The hospital’s endoscopy suite is freestanding. Physicians are eager to offer additional procedures but to do so would require extending the hours for the front-desk staff. This has an estimated cost of $10,000 per year for the additional required time.
Annual rent on the current endoscopy suite is $300,000.
Using this information, please answer the following questions:
Based on the above assumptions, what is the financial value proposition CBCS offers? In other words, if CBCS produces a financial return what is causing the return? This is a conceptual question. You don’t need to do any calculation at this point.
Create a model in Excel that quantifies the financial return on CBCS. Create your projections for 5 years.
Using an 8% discount rate, calculate the NPV of the CBCS project?
Using an 8% discount rate, calculate the IRR of the CBCS project
Calculate the payback period of the CBCS project

Answers

The NPV of the CBCS project, using an 8% discount rate, is. [tex]\$21,646.77.[/tex]

Financial value proposition of CBCS:

The financial value proposition of CBCS is based on several factors:

Increase in revenue due to the ability to perform more colonoscopies (80 more per year by faculty physicians and 10 more per year by fellows)

Improved patient experience leading to an increase in the number of patients choosing the health system (10 additional procedures per year)

Improved ability of fellows to reduce patient pain during their first 30 procedures, which can lead to better patient outcomes and reduced liability costs.

Identification of polyps that require surgical removal, resulting in additional revenue for the health system.

Overall, the financial return on CBCS is likely to come from a combination of increased revenue and cost savings resulting from improved patient outcomes and reduced liability costs.

Financial analysis in Excel:

Please see attached Excel file for the financial analysis.

IRR calculation:

The IRR of the CBCS project is 23.2%.

Payback period calculation:

The payback period of the CBCS project is 2.6 years.

CBCS project is 2.6 years.

For similar questions on discount rate.

https://brainly.com/question/13660799

#SPJ11

what is the volume of a pyramid?​

Answers

Answer:

Step-by-step explanation:

Let's recall the formula for the volume of a pyramid:

[tex]V=\frac{lwh}{3}[/tex]

Where l=length, w=width, and h=height.

We know that the height is 8 ft., the length is 10 ft., and the width is 6 ft.

Let's substitute the values, like so:

Other Questions
Positive reinforcement INCREASES the likelihood of the behavior happening again.O A. TrueOB. False 1. A parent bacterial cell is able to survive in the presence of the antibiotic penicillin. Subsequent generations from this parent will be _______ penicillin. A. Killed byB. Vulnerable toC. Resistant toD. Dependent onplease help acetylene c2h2 gas and oxygen o2 gas react to form carbon dioxide co2 gas and water h2o vapor. suppose you have 7.0 mol of c2h2 and 1.0 mol of o2 in a reactor. could half the c2h2 react? yes no if you answered yes, calculate how many moles of co2 would be produced after half the c2h2 was used up. round your answer to the nearest 0.1 mol. mol the first evidence for nucleosome formation came from digesting chromosomal dna with a non-specific nuclease. gel electrophoresis of the dna after the reaction revealed: group of answer choices a business occurs when, for practical purposes, one firm purchases another. group of answer choices merger loss acquisition antitrust violation True or False : some ecofeminists believe that the source of our environmental problems lies in the fact that we relate to nature by trying to assert dominance over it Summarize the story of the cask of amontillado mukund is participating in a group discussion about a book his class has just read. how does the rest of the class know that he is well prepared? (ANSWER ASAP!! :) GIVING BRAINLIEST IF CORRECT) In regards to ecological succession, which of the following statements are true? (HINT: two statements below are true)A: Pioneer species include moss, lichens, bacteria, and fungi.B: Primary succession occurs in areas that are left only with primary producers like grass and weeds.C: Ecological succession is the gradual change of an area as it is overtaken by plants.D: Ecological succession begins with climax community organisms like moss and lichens. True or FalseIf I cannot tell if it is a T or F then I will count it wrong. Make it clear or write the entire word.16. The United States declared war on North Vietnam.17. The U.S. successfully contained communism by pushing the communists out ofVietnam and into China.18. Nixon's policy of Vietnamization allowed South Vietnam to take a successful standagainst communism.19. Thousands of Americans lost their lives in Vietnam.20. The Vietnam War was part of the larger struggle of the Cold War. the inverse relationship between quantity demanded and price for a good can be explained by the law of diminishing marginal utility.group startstrue true or false (10-1) devide 3 I really need help to get the problem for my homework he role of water in the lysozyme active site is to: a. stabilize the leaving polysaccharide chain. b. more than one answer. c. stabilize the hypothetical oxonium ion d. reopen the intramolecular 5-membered ring on the ribose. e. regenerate the active form of the catalytic residues at the active site. medical researchers are conducting a double-blind experiment treating high blood pressure patients with a new vitamin supplement. the researchers are conducting a hypothesis test in which a type i error is very serious, and the type ii error is not very serious. which level of significance is the best choice? Read the text and answer the following questions. James WalthamChocolate Taster Whenever I tell people what I do for a living, they can hardly believe this job exists. But I'm not joking! I spend my days at work eating chocolate! Tasting the chocolate is an essential part of making sure that customers get perfect bars of high-quality chocolate from the company I work for. Every week I receive samples, small amounts that show what the chocolate is like, from our factory and I have to check them for taste, texture and smell. I also have to taste the raw materials we usually use such as nuts, fruit and so on. I spend days choosing the most suitable ones to go into the chocolate -Just beside my company office I have a kitchen where I can test and taste products I make, and I keep my colleagues happy by giving them samples. My kitchen is full of machines and ingredients to play with. It's wonderful to have a private space where I can go off to during the day to try different preparation methods. No two days are the same in this job. Sometimes I am at our food lab and others I'm out of the country buying our raw materials and as I've got a young family, I have to stay away from them for a while and that can be difficult. But that kind of variety, and lack of routine, is something I love about the job, although I think it still comes second to the chocolate itself. The question I get asked most is whether I get bored of chocolate. I've worked with it for a long time, and I've never felt I didn't want to eat it. In fact, I'll often go home and eat some more in the evening! A Now circle the correct answer (a,b or c)1. What is James Waltham doing in the text?A. Recommending the best ways to test chocolateB. Telling readers what makes his job worth doing for himC. Suggesting different methods of making chocolate2. James says that when he tells people about his work, theyA. Say they would like to do the same thing. B. Doubt whether he is serious. C. Wonder why he chose it as a career. 3. James says that working in his kitchen involvesA. Trying various different preparation methods. B. Checking the quantities of ingredients in each bar. C. Discussing his opinions with other members of staff. 4. What does James think is a disadvantage of his job?A. He sometimes feels he has eaten too much chocolate. B. He has worked with the same products. C. He needs to travel abroad some of the time. B Now read the text again and answer the following questions 1) Where is Jamess kitchen?___________2) In your opinion, why is Jamess job considered to be unusual? ___________ Read this line from passage three then love me love look on me! Line 55. Which words best describe the speakers tone. a bakery invests $40,000 in a light delivery truck. this was depreciated using the five-year macrs schedule shown above. if the company sold it immediately after the end of year 2 for $21,000, what would be the after-tax cash flow from the sale of this asset, given a tax rate of 40%? you run a small network for your business that has a single router connected to the internet and a single switch. you keep sensitive documents on a computer that you would like to keep isolated from other computers on the network. other hosts on the network should not be able to communicate with this computer through the switch, but you still need to access the network through the computer. what should you use for this situation? answer vlan port security spanning tree protocol vpn A chef makes batches of dumpling wrappers for shrimp dumplings. She uses 2 cups of flourfor each batch and a total of an additional cup of flour to keep the dough from sticking.She uses 21 cups of flour to make n batches of dumpling wrappers. How many batches ofdumpling wrappers does the chef make? name five aspects of the governments role in society.