Which expressions have a value greater than 1? Choose all the correct answers. ​

Which Expressions Have A Value Greater Than 1? Choose All The Correct Answers.

Answers

Answer 1

Answer:

A, C, E

Step-by-step explanation:

To determine which expressions have a value greater than 1, evaluate the expressions following the order of operations (PEMDAS) and remembering the following:

The quotient of two negative numbers is always positive.The product of two negative numbers is always positive.The product of a negative and positive number is always negative.

Expression A

[tex]\;\;\;\:-\frac{1}{3} \div (-2)+4\\\\= -\frac{1}{3} \cdot \left(-\frac{1}{2}\right)+4\\\\=\frac{(-1) \cdot (-1)}{3 \cdot 2}+4\\\\= \frac{1}{6}+4\\\\= 4\frac{1}{6}[/tex]

Expression B

[tex]\;\;\;-\frac{1}{3} \cdot (-2)-4\\\\= \frac{2}{3} -4\\\\= \frac{2}{3} -\frac{12}{3}\\\\= \frac{2-12}{3}\\\\= -\frac{10}{3}\\\\=-3\frac{1}{3}[/tex]

Expression C

[tex]\;\;\:\:-\frac{1}{3} \cdot (-2-4)\\\\= -\frac{1}{3} \cdot (-6)\\\\=\frac{(-1)\cdot (-6)}3{}\\\\= \frac{6}{3} \\\\= 2[/tex]

Expression D

[tex]\;\;\:\:-\frac{1}{3} \cdot (-2)(-4)\\\\= -\frac{1}{3} \cdot (8)\\\\=\frac{(-1) \cdot 8}{3}\\\\= -\frac{8}{3} \\\\= -2\frac{2}{3}[/tex]

Expression E

[tex]\;\;\:\:-\frac{1}{3} + (-2)-(-4)\\\\= -\frac{1}{3} -2+ 4\\\\= -2\frac{1}{3} + 4\\\\=4 -2\frac{1}{3}\\\\= 1\frac{2}{3}[/tex]

Therefore, the expressions that have a value greater than 1 are:

A, C and E.

Related Questions

Felicia is installing the new carpet she buys a piece of carpet that is 5' long and 6' wide she cuts off an area of 8 ft² what is the area of the remaining piece of carpet

Answers

After purchasing a carpet that is 5 feet long and 6 feet wide, Felicia cut off a section of 8 square feet so the area of the remaining piece of carpet is 22 square feet.

To find the area of the remaining piece of carpet, we need to subtract the area that Felicia cut off from the total area of the carpet.

The total area of the carpet is the product of its length and width, which is:

5 feet x 6 feet = 30 square feet

Felicia cut off 8 square feet from the carpet, so the area of the remaining piece of carpet is:

30 square feet - 8 square feet = 22 square feet

Therefore, the area of the remaining piece of carpet is 22 square feet.

Learn more about the area at

https://brainly.com/question/26473539

#SPJ4

The scatter plot represents the average daytime temperatures recorded in New York for a week. What is the range of the temperature data in degrees Fahrenheit?

Answers

The range of the temperature data in degrees Fahrenheit is 15.

Option A is the correct answer.

We have,

From the scatterplot,

The highest average temperature = 45

The lowest temperature = 30

Now,

Range.

= Highest temperature - Lowest temperature

= 45 - 30

= 15

Thus,

The range of the temperature data in degrees Fahrenheit is 15.

Learn more about scatterplots here:

https://brainly.com/question/7219025

#SPJ1

The box plot displays the number of flowers planted in a town last summer.

A box plot uses a number line from 3 to 31 with tick marks every one-half unit. The box extends from 10 to 18 on the number line. A line in the box is at 12. The lines outside the box end at 4 and 30. The graph is titled Flowers Planted In Town, and the line is labeled Number of Flowers.

Which of the following is the best measure of center for the data shown, and what is that value?

The median is the best measure of center and equals 12.
The median is the best measure of center and equals 14.
The mean is the best measure of center and equals 12.
The mean is the best measure of center and equals 14.

Answers

According to the information presented on the box plot:

The median is the best measure of center and equals 12.

How to get the median

The box plot illustrates a rectangular shape extending from the numerical values of 10 to 18 on a number line, where an inner line rests at the numerical value of 12 within the confines of the rectangle.

The median functions as the numeric value that effectively splits data in half, equally distributing percentages of 50% below and above it while defining its centrality.

In this case, the statement "A line in the box is at 12" defines the median.

Learn more about box plot at

https://brainly.com/question/28992381

#SPJ1

Which value is in the domain of f(x)?

The Answer is C

Answers

A value which is in the domain of f(x) include the following: C. 4.

What is a piecewise-defined function?

In Mathematics, a piecewise-defined function is a type of function that is defined by two (2) or more mathematical expressions over a specific domain.

Generally speaking, the domain of any piecewise-defined function simply refers to the union of all of its sub-domains. By critically observing the given piecewise-defined function, we can reasonably infer and logically deduce that it is defined over the interval -6 < x ≤ 0 and 0 < x ≤ 4.

In conclusion, a value of 4 is the only answer option that is in the domain of this piecewise-defined function.

Read more on piecewise function here: brainly.com/question/18670055

#SPJ1

Complete Question:

Which value is in the domain of f(x)?

A.) –7

B.) –6

C.) 4

D.) 5

According to a recent survey conducted in 2016,
about 69.7% of high school graduates at least enroll
in some type of college by age 24.
Using the parameters provided, if 162 students
graduated from a high school what is the probability
that 100 or less would enroll in college at some point
by age 24? (CDF)

Answers

The probability that 100 or less students enroll in college at some point by age 24 would be c. 97.8%

How to find the probability ?

The binomial cumulative distribution function (CDF) can be utilized to tackle this issue. The situation fits the characteristics of a binomial distribution, which comes into play when there are 'n' fixed trials in total, with only two possible outcomes - either success or failure.

Furthermore, constant probability of attaining success (p) persists through every individual trial.

The formula is:

P ( X ≤ 100 ) = ∑ [ C ( n , k ) x p^ k x q ^ ( n - k ) ] for k = 0 to 100

Using a binomial calculator, we find out that:

P ( X ≤ 100 ) = 0. 978 or 97. 8 %

In conclusion, option C is correct.

Find out more on probability at https://brainly.com/question/24756209

#SPJ1

You are standing 450 feet away from the skyscraper that is 700 feet tall. What is the angle of elevation from You to the top of the skyscraper

Answers

Answer:

The angle of elevation from you to the top of the skyscraper is approximately 56.2 degrees.

Step-by-step explanation:

for what real values of $c$ is $x^2 16x c$ the square of a binomial? if you find more than one, then list your values separated by commas.

Answers

The real values of $c$ for which $x^2 + 16x + c$ is the square of a binomial are $64$ and $0$.

To find these values, we can use the concept of completing the square. For a quadratic expression to be the square of a binomial, the coefficient of the linear term ($16x$) must be twice the product of the square root of the constant term ($c$) and the square root of the coefficient of the quadratic term ($1$). In this case, the coefficient of the linear term is $16$ and the coefficient of the quadratic term is $1$. So, we have $16 = 2\sqrt{c}\sqrt{1}$.

Simplifying this equation gives $16 = 2\sqrt{c}$. Dividing both sides by $2$ yields $\sqrt{c} = 8$. Squaring both sides gives $c = 64$. Thus, $c = 64$ is one possible value.

Additionally, if we consider the case when $c = 0$, the quadratic expression becomes $x^2 + 16x + 0 = (x + 8)^2$. Therefore, $c = 0$ is another possible value.

In summary, the real values of $c$ for which $x^2 + 16x + c$ is the square of a binomial are $64$ and $0$.

Learn more about Binomial:

brainly.com/question/30339327

#SPJ11

You should distinguish elements of your data visualization by _____ the foreground and background and using contrasting colors and shapes. This makes the content more accessible.

Answers

You should distinguish elements of your data visualization by strategically positioning the foreground and background and utilizing contrasting colors and shapes.

To effectively distinguish elements in your data visualization, you should differentiate the foreground and background by using contrasting colors and shapes. This makes the content more accessible and easier to understand for the viewers. This approach helps to improve the visual hierarchy of the content and make it more accessible to viewers. By choosing contrasting colors and shapes, you can emphasize important data points and draw attention to key insights, making it easier for your audience to understand the information presented in your visualization.

To learn more about data, click here:

brainly.com/question/29122373

#SPJ11

Let U be a nonempty open subset of RP. Let a EU. Let F (f1,..., fa): U ŹR9 be a function that is differentiable at a. Let A : RP → R9 be any affine function for which A(a) = F(a) and dA(a) = dF(a). = Prove that A(-) = F(a + dF(a(-). Remark 1. The results in A1, A2, and A3 are higher-dimensional analogues of familiar facts from Calculus I. It is a good idea to think about these problems in the special Calculus I case of p=1= q: doing so may deepen your understanding and may help you solve these problems if you are experiencing difficulties. =

Answers

We have shown that A(-) = F(a + dF(a(-)), as required.

To prove that A(-) = F(a + dF(a(-)), we need to show that the affine function A coincides with the function F at every point x in RP.

Let x be an arbitrary point in RP. We can write x = a + t, where t is a vector in the tangent space of RP at a. Since U is open in RP, we can choose a small enough neighborhood of a in U such that a + t is also in U.

Since F is differentiable at a, we can apply the multivariable chain rule to get:

dF(a + t) = dF(a) + J(a)t + o(||t||)

where J(a) is the Jacobian matrix of F at a, and o(||t||) is a term that goes to zero faster than ||t|| as t approaches zero.

Since A is affine, we can write:

A(x) = A(a + t) = A(a) + Bt

where B is a constant matrix. Since A(a) = F(a) and dA(a) = dF(a), we have:

A(x) = F(a) + dF(a)t + o(||t||)

Comparing the two expressions for A(x), we see that we can choose B = dF(a) and the remainder term o(||t||) is the same in both expressions. Therefore:

A(x) = F(a) + dF(a)t + o(||t||) = F(a + t) + o(||t||) = F(x) + o(||t||)

Since o(||t||) goes to zero faster than ||t|| as t approaches zero, we have:

A(x) = F(x)

for all x in RP. Therefore, we have shown that A(-) = F(a + dF(a(-)), as required.

To learn more about differentiable visit:

https://brainly.com/question/29573028

#SPJ11

Find the surface area of a regular hexagonal pyramid with side length = 8, and a slant height = 16. Round to the nearest tenth.
Answer Immediately

Answers

Answer:

To find the surface area of a regular hexagonal pyramid, we need to find the area of the six triangular faces and the area of the hexagonal base, and then add them together.

The area of each triangular face is given by the formula:

(1/2) x base x height

In this case, the base of each triangle is the side length of the hexagon (8), and the height is the slant height of the pyramid (16). Therefore, the area of each triangular face is:

(1/2) x 8 x 16 = 64

The hexagonal base can be divided into six equilateral triangles, each with side length 8. The area of each equilateral triangle is:

(1/4) x sqrt(3) x side length^2

Plugging in the values, we get:

(1/4) x sqrt(3) x 8^2 = 16sqrt(3)

To find the total surface area, we add the area of the six triangular faces and the area of the hexagonal base:

6 x 64 + 16sqrt(3) = 384 + 16sqrt(3)

Rounding to the nearest tenth, the surface area of the regular hexagonal pyramid is:

398.6 square units (rounded to one decimal place)

Put the following equation of a line into slope-intercept form, simplifying all fractions. 2x-4y=-16

Answers

Answer:So solving for

y

gives:

2

x

+

2

x

4

y

=

2

x

+

16

0

4

y

=

2

x

+

16

4

y

=

2

x

+

16

4

y

4

=

2

x

+

16

4

4

y

4

=

2

x

4

+

16

4

y

=

1

2

x

4

Review Worksheet:
Using the IVT and the function f(x)=x²-2x-2, on what interval can you say will there definitely be a zero?

Answers

Since f(-1) is positive and f(3) is negative, by the IVT, we can conclude that there is at least one zero of the function on the interval [-1, 3]. Therefore, we can say with certainty that there is definitely a zero of f(x) = x² - 2x - 2 on the interval [-1, 3].

To use the IVT to determine an interval where there definitely is a zero of the function f(x) = x² - 2x - 2, we need to evaluate the function at the endpoints of an interval and determine whether the function changes sign over that interval.

Let's consider the interval [-2, 3] as an example. Evaluating f(-2) and f(3), we get:

f(-2) = (-2)² - 2(-2) - 2

= 4 + 4 - 2

= 6

f(3) = 3² - 2(3) - 2

= 9 - 6 - 2

= 1

Since f(-2) is positive and f(3) is positive as well, we cannot use the IVT to conclude that there is a zero of the function on the interval [-2, 3].

However, we can try another interval. Let's try the interval [-1, 3]. Evaluating f(-1) and f(3), we get:

f(-1) = (-1)² - 2(-1) - 2

= 1 + 2 - 2

= 1

f(3) = 3² - 2(3) - 2

= 9 - 6 - 2

= 1

To know more about function,

https://brainly.com/question/28193995

#SPJ11

What is the surface area of the entire prism below?
Area of triangle = 1/2bh
Area of rectangle = L * W
5 ft
4 ft
6 ft
5 ft
18 ft

Answers

The Total surface area of the given prism is: 312 ft²

What is the surface area of the prism?

The formula for the areas of the shapes that make up the triangular prism are:

Area of triangle = ¹/₂bh

where:

b is base

h is height

Area of rectangle = L * W

where:

L is length

W is width

Thus:

Total surface area = 2(¹/₂ * 6 * 4) + 2(5 * 18) + (18 * 6)

Total surface area = 24 + 180 + 108

Total surface area = 312 ft²

Read more about Prism Surface Area at: https://brainly.com/question/1297098

#SPJ1


Cristobal is comparing the membership club fees at two different bookstores. At the first bookstore, it costs $24.27 annually to be a
member of the club, but he will save 15% on all his purchases. At the second bookstore, it costs $36.54 annually to be a member of
the club, but he will save 25% on all his purchases.
How much does Cristobal need to spend in a year for the membership at the second bookstore to be the better value?

Answers

Cristobal needs to spend more than $122.70 for the membership at the 2nd bookstore to be better value.

How much must Cristobal spend at second bookstore?

For first bookstore, as Cristobal pays $24.27 for an annual membership, save 15% on all his purchases, the amount he saves on purchases will be represented as 0.15x.

So total cost of being a member of the first bookstore is:

$24.27 + $0.15x.

For second bookstore, as Cristobal pays $36.54 for an annual membership, save 25% on all his purchases, the amount he saves on purchases will be represented as 0.25x.

So the total cost of being a member of the second bookstore is:

= $36.54 + $0.25x.

To determine when membership at second bookstore is better value, we must set total cost of second bookstore less than first bookstore and then, we will solve for x:

$36.54 + $0.25x < $24.27 + $0.15x

$12.27 < $0.10x

x > $122.70.

Read more about membership

brainly.com/question/31438605

#SPJ1

We would like to use distance-weighted 2-nearest neighbors to approximate the function f(x) = 8x - 10 – x2 given the data instances (x, f(x)): (1.0,-3.0), (3.0, 5.0), (5.0, 5.0), (7.0,-3.0). What is the value x = Xo at which the maximum error (ie f(x)-f(x)) is made in the approximation of f(x) in the region 3 SXS 5 if we use distance-weighted 2-nearest neighbors? Would the error at Xo increase or decrease if we use 4-nearest neighbors with the given data? [5 Marks)

Answers

It would also increase the computational complexity of the algorithm.

To use distance-weighted 2-nearest neighbors, we need to find the two nearest neighbors to a given point, weight them by their distances from the point, and then use their weighted average to approximate the function at that point. For the region 3 ≤ x ≤ 5, the two nearest neighbors to any point x would be (3.0, 5.0) and (5.0, 5.0).

The distance-weighted average approximation of f(x) in this region is:

f(x) ≈ (w1f(3) + w2f(5)) / (w1 + w2)

where w1 and w2 are the weights given to the two nearest neighbors, which are inversely proportional to their distances from x:

w1 = 1 / |x - 3.0|^2

w2 = 1 / |x - 5.0|^2

Substituting in the given values, we get:

f(x) ≈ [(1/|x-3.0|^2)*5.0 + (1/|x-5.0|^2)*5.0] / [(1/|x-3.0|^2) + (1/|x-5.0|^2)]

To find the value x = Xo at which the maximum error is made, we need to find the value of x in the region 3 ≤ x ≤ 5 that maximizes the absolute difference between f(x) and f(x). We can do this by taking the derivative of the absolute difference with respect to x and setting it equal to zero:

d/dx |f(x) - f(x)| = d/dx |8x - 10 - x^2 - f(x)| = 0

Solving for x, we get:

x = 3.8 or x = 4.2

To determine which of these values of x gives the maximum error, we can simply evaluate |f(x) - f(x)| at each point:

|x=3.8| = |(1/0.04)*3.0 + (1/0.04)5.0 - (1/0.16)(-1.24)| = 10.74

|x=4.2| = |(1/0.04)*5.0 + (1/0.04)5.0 - (1/0.04)(-3.56)| = 13.96

Therefore, the maximum error occurs at x = 4.2, where the absolute difference between the actual function value and the distance-weighted 2-nearest neighbor approximation is 13.96.

If we use distance-weighted 4-nearest neighbors instead, we would use the four nearest neighbors to each point, weight them by their distances, and then take their weighted average. This would likely reduce the error at x = Xo, since using more neighbors reduces the influence of any single neighbor on the approximation. However, it would also increase the computational complexity of the algorithm.

To learn more about algorithm visit:

https://brainly.com/question/22984934

#SPJ11

A circle is painted in the center of a basketball court. If the diameter of the circle is 12 feet, what is the approximate amount of space inside of the circle? (Use 3. 14 as an approximation of pi. )

Answers

The approximate amount of area in the circle is 113.04 square feet.

The area of a circle is given through the expression [tex]A = \pi r^2[/tex], in which π is about equal to 3.14, and r is the radius of the circle.

In this instance, we are given the diameter of the circle, that is 12 feet. The radius of the circle is half of the periphery, so the radius is

r = 12 / 2 = 6 feet

Now, we're suitable to use the methodology for the area of a circle to discover the approximate amount of space within the circle

[tex]A = \pi r^2 = 3.14 * 6^2 = 3.14 * 36 \approx 113.04[/tex] square feet[tex]A = \pi r^2[/tex]

Accordingly, the approximate amount of area in the circle is 113.04 square feet.

Learn more about Area of circle formula:-

https://brainly.com/question/14068861

#SPJ4

During the spring of 2020, the state of Indiana was on lock down orders due to COVID-19. The state's business sales dropped exponentially and are modeled after the following equation:
Sales = 500 (1 - 0.10)^t
where t = number of days and sales = number of millions of dollars.
When sales have reached $23.5 million, it will be declared a statewide economic crisis. How many days until sales reach the economic crisis?

Answers

The sales of Indiana's businesses during the spring of 2020 are modeled by the equation Sales = 500(1-0.10)^t, where t is the number of days and sales are in millions of dollars. If sales reach $23.5 million, it will be considered a statewide economic crisis.

To solve the problem, we need to use the given equation and substitute the value of sales ($23.5 million) into it. Then we can solve for the value of t, which represents the number of days until sales reach the economic crisis.

500(1-0.10)^t = 23.5

(1-0.10)^t = 0.047

Taking the natural logarithm of both sides,

ln[(1-0.10)^t] = ln(0.047)

t ln(0.90) = -3.057

t = -3.057 / ln(0.90)

Using a calculator, we can evaluate the right-hand side of the equation to get t ≈ 37.28 days.

Therefore, it will take approximately 37.28 days for the sales of Indiana's businesses to reach the economic crisis threshold of $23.5 million.

In summary, we used the given exponential equation to find the number of days until the sales of Indiana's businesses reach the economic crisis threshold of $23.5 million. By substituting the value of sales into the equation and solving for t, we found that it will take approximately 37.28 days for this critical point to be reached. This calculation highlights the impact of the COVID-19 pandemic on the state's economy and underscores the importance of economic stimulus measures during times of crisis.

Learn more about Equation:

brainly.com/question/29657983

#SPJ11

a police officer is using a radar device to check motorists' speeds. prior to beginning the speed check, the officer estimates that 40 percent of motorists will be driving more than 5 miles per hour over the speed limit. assuming that the police officer's estimate is correct, what is the probability that among 4 randomly selected motorists, the officer will find at least one motorist driving more than 5 miles per hour over the speed limit (decimal to the nearest ten-thousandth.)

Answers

The probability that among 4 randomly selected motorists, the officer will find at least one motorist driving more than 5 miles per hour over the speed limit is 0.8704, rounded to the nearest ten-thousandth.

To solve this problem, we can use the complement rule, which states that the probability of an event happening is equal to 1 minus the probability of the event not happening.

First, let's find the probability that none of the 4 randomly selected motorists will be driving more than 5 miles per hour over the speed limit.

Since the officer estimates that 40% of motorists will be driving more than 5 miles per hour over the speed limit, then the probability of a motorist not driving more than 5 miles per hour over the speed limit is 1 - 0.4 = 0.6.

The probability that none of the 4 motorists will be driving more than 5 miles per hour over the speed limit is therefore:

0.6 x 0.6 x 0.6 x 0.6 = 0.1296

Now we can use the complement rule to find the probability that at least one of the 4 motorists will be driving more than 5 miles per hour over the speed limit:

1 - 0.1296 = 0.8704

Know more about probability here:

https://brainly.com/question/30034780

#SPJ11



how any units are in math

Answers

Answer:

Math is a broad field that encompasses several branches, each with its own units of measurement. Some examples of units in math include:

In geometry:- Units of length, such as meters, centimeters, and inches

Units of area, such as square meters, square centimeters, and square feet

Units of volume, such as cubic meters, cubic centimeters, and cubic feet- Units of weight or mass, such as kilograms, grams, and pounds - Units of time, such as seconds, minutes, and hours

Units of temperature, such as Celsius and

Fahrenheit

Units of angle measurement, such as degrees and radians

Units of speed or velocity, such as meters per second or miles per hour

Units of frequency, such as Hertz or cycles per second

Units of energy or work, such as joules, calories, and foot-pounds

Units of power, such as watts and horsepower

These are just a few examples of the many units used in math. The type of unit used depends on the specific problem or application.

HOPE IT HELPS

PLEASE MARK ❣️‼️ ME AS BRAINLIEST .

please help thank you​

Answers

First find the area of the triangle: base multiply by heigh divided by 2:
B•H/2
= 12•12/2
=72m^2

Now find he area of the rectangle: base multiplied by height
B•H
= 9•3
= 27m^2

Lastly subtract the area of the rectangle to find the area of the shaded parts of the triangle.

= 72-27
= 45m^2

Therefore the area of the shaded part of the triangle is 45 meters squared.

Which statement is true about scalene triangles?

A.
a triangle with at least two equal sides

B.
a triangle that has three acute angles

C.
a triangle with no sides that are the same length

D.
a triangle with three sides that are the same length

Answers

Answer: :)

The correct answer is C. A scalene triangle is a triangle with no sides that are the same length. This means that all three sides of a scalene triangle have different lengths. In addition, a scalene triangle does not have any angles that are congruent. This is in contrast to an isosceles triangle, which has two sides of equal length, and an equilateral triangle, which has all three sides of equal length.

Step-by-step explanation:

Use the figure to find the radius.



4
4√2
4√3

Answers

The radius of the figure is 2√2.

We have,

From the figure,

The right angle triangle.

One angle is 90 and the other two angles will be the same. ie. 45

Now,

The sides opposite to the equal angles are the same.

From the figure,

Side = 2

Now,

Applying the Pythagorean theorem,

radius² = side² + side²

radius² = 2² + 2²

radius² = 4 + 4

radius = √8 = 2√2

Thus,

The radius of the figure is 2√2.

Learn more about the Pythagorean theorem here:

https://brainly.com/question/14930619

#SPJ1

Use
the given data to construct a confidence interval of the population
portion that requested level X=70 n=125 confidence level 98%

Answers

A 98% confidence interval for the population proportion that requested level X=70 with n=125 is (0.456, 0.664).

Using the given data, we can calculate the sample proportion as

p-hat = X/n = 70/125 = 0.56

To construct a confidence interval for the population proportion, we can use the formula

p-hat ± z√(p-hat(1-p-hat)/n)

where z is the z-score corresponding to the desired confidence level. For a 98% confidence level, the z-score is approximately 2.33.

Plugging in the values, we get

0.56 ± 2.33√(0.56(1-0.56)/125)

Simplifying, we get

0.56 ± 0.104

Therefore, the 98% confidence interval for the population proportion is (0.456, 0.664).

To know more about confidence level:

https://brainly.com/question/9386257

#SPJ4

Right triangle. Find the exact values of x and y.​

Answers

Answer:

x = [tex]\sqrt{51}[/tex] , y = 7

Step-by-step explanation:

since PA is a tangent, then angle between tangent and radius at point of contact A is 90°

the triangle with radius x is right.

using Pythagoras' identity in the right triangle

x² + 7² = 10²

x² + 49 = 100 ( subtract 49 from both sides )

x² = 51 ( take square root of both sides )

x = [tex]\sqrt{51}[/tex]

since PB is a tangent then ∠ B = 90° and triangle with y is right

note that the segment from B to the centre is the radius and is equal to x

using Pythagoras' identity in this right triangle

y² + x² = 10²

y² + ([tex]\sqrt{51}[/tex] )² = 100

y² + 51 = 100 ( subtract 51 from both sides )

y² = 49 ( take square root of both sides )

y = [tex]\sqrt{49}[/tex] = 7

then x = [tex]\sqrt{51}[/tex] and x = 7

The method of tree-ring dating gave the following years A.D. for an archaeological excavation site. Assume that the population of x values has an approximately normal distribution. 1,285 1,194 1,299 1,180 1,268 1,316 1,275 1,317 1,275 (a) Use a calculator with mean and standard deviation keys to find the sample mean year x and sample standard deviation s.
(Round your answers to the nearest whole number.) x = 1268 Correct: Y
our answer is correct. A.D. s = 43 Incorrect: Your answer is incorrect. yr
(b) When finding an 90% confidence interval, what is the critical value for confidence level? (Give your answer to three decimal places.) tc = 1.860 Correct: Your answer is correct.
What is the maximal margin of error when finding a 90% confidence interval for the mean of all tree-ring dates from this archaeological site? (Round your answer to the nearest whole number.) E = :
Find a 90% confidence interval for the mean of all tree-ring dates from this archaeological site. (Round your answers to the nearest whole number.) lower limit Incorrect: . A.D. upper limit Incorrect:

Answers

The 90% confidence interval for the mean of all tree-ring dates from this archaeological site is (1233, 1303) A.D. (rounded to nearest whole number).

To find the sample mean year x and sample standard deviation s, we can use the calculator's mean and standard deviation functions:

x = 1268 (rounded to nearest whole number)

s = 43 (rounded to nearest whole number)

To find the critical value for a 90% confidence interval, we can use a t-distribution with n-1 degrees of freedom (where n is the sample size). Since the sample size is not given, we'll assume it's 9 (the number of years listed in the data set). Using a t-table or calculator, the critical value for a 90% confidence interval with 8 degrees of freedom is approximately 1.860 (rounded to three decimal places).

The maximal margin of error for a 90% confidence interval can be found using the formula:

E = tc * s / sqrt(n)

where tc is the critical value, s is the sample standard deviation, and n is the sample size. Plugging in the values we have, we get:

E = 1.860 * 43 / sqrt(9) = 35.13 (rounded to nearest whole number)

To find the 90% confidence interval for the mean of all tree-ring dates from this archaeological site, we can use the formula:

(lower limit, upper limit) = (x - E, x + E)

Plugging in the values we have, we get:

(lower limit, upper limit) = (1268 - 35, 1268 + 35) = (1233, 1303)

So the 90% confidence interval for the mean of all tree-ring dates from this archaeological site is (1233, 1303) A.D. (rounded to nearest whole number).

To learn more about margin of error visit: https://brainly.com/question/29101642

#SPJ11

F-Ready
Number of Solutions for Linear Equations-Instruction-Level H
Not all equations have exactly one solution. Consider the equation 2n +6=2(3+n).
Can you find more solutions? Complete the rest of the table.
n
0
1 ?.
2
3
?
?
Solution?
solution
4

Answers

The solutions to the equation 2n +6=2(3+n) is infinite many

Finding the solutions to the equation

From the question, we have the following parameters that can be used in our computation:

2n +6=2(3+n).

Open the brackets

So, we have

2n + 6 = 2n + 6

Evaluate the like terms

0 = 0

This means that the equation has infinite many solutions

Can you find more solutions?

Yes, this is because any real value can be used for n

Read more about equations at

https://brainly.com/question/148035

#SPJ1

What is the value of h?
Opposite=15cm
Sin(31°
Give your answer correct to one decimal place.

Answers

Using SOH CAH TOA, the value of hypotenuse, h, is 29.1 cm

Trigonometry: Calculating the value of the hypotenuse

From the question, we are to calculate the value of the hypotenuse.

In the diagram, h represents the hypotenuse

Using SOH CAH TOA

sin (angle) = Opposite / Hypotenuse

cos (angle) = Adjacent / Hypotenuse

tan (angle) = Opposite / Adjacent

From the given information,

Angle = 31°

Opposite = 15 cm

Hypotenuse = h

Thus,

sin (31°) = 15 cm / h

0.515038 = 15 cm / h

Then,

h = 15 / 0.515038 cm

h = 29.12406 cm

h ≈ 29.1 cm

Hence,

The value of h is 29.1 cm

Learn more on Trigonometry here: https://brainly.com/question/20734777

#SPJ1

Your CD player is set for random play. There are 20 CDs in the player and
there are 10 songs on each CD. You have one favorite song on each of the
CDs. What is the probability that the next song played is one of them?

Answers

the probability that the next song played is one of the favorite songs is 0.1 or 10%.

Since there are 20 CDs with 10 songs each, there are a total of 20 x 10 = 200 songs in the player.

Since there is one favorite song on each CD, there are a total of 20 favorite songs in the player.

The probability of the next song played being one of the favorite songs is equal to the number of favorite songs divided by the total number of songs in the player:

Probability = Number of favorite songs / Total number of songs

Probability = 20 / 200

Probability = 0.1

Therefore, the probability that the next song played is one of the favorite songs is 0.1 or 10%.

learn more about Probability here:

https://brainly.com/question/30034780

Trapezoid A and trapezoid B as shown on the coordinate grid.
Describe three basic transformations on trapezoid A which show trapezoid B is similar to trapezoid A. In your response, be sure to identify the transformations in the order they would be performed.

Answers

Answer:

To show that trapezoid B is similar to trapezoid A, we need to perform three basic transformations in the following order:

1. Translation: Move trapezoid A to the left by 2 units and up by 2 units. This will bring point A to (-5, 3), point B to (-3, 5), point C to (3, 5), and point D to (5, 3).

2. Rotation: Rotate trapezoid A 90 degrees clockwise around the origin. This will bring point A to (3, 5), point B to (5, -3), point C to (-5, -3), and point D to (-3, 5).

3. Dilation: Enlarge the rotated trapezoid A by a scale factor of 2, using the origin as the center of dilation. This will bring point A to (6, 10), point B to (10, -6), point C to (-10, -6), and point D to (-6, 10).

After these three transformations, trapezoid A will be similar to trapezoid B.Step-by-step explanation:

Select all the items on Conner's social media profile
that may give a criminal too much information.
1. Conner's birthday
2. A picture of Conner's dog
3. An image of Conner and his friends outside The Hub
4. Conner's nickname in his profile
5. A picture of Conner, Jake, and Nana

Answers

All the items on Conner's social media profile that may give a criminal too much information are:

1. Conner's birthday3. An image of Conner and his friends outside The Hub4. Conner's nickname in his profile

Why are these?

Exposing one's birthday might lead to identity theft since it is a private data that can be utilized by malicious individuals to acquire access to other crucial information.

While an image of Conner together with his buddies taken outside The Hub may look exciting and a great memory, it might reveal his position, making it simple for perpetrators to trail their movements and prey on them or their acquaintances.

Conner's username in his account is similarly critical; if it is exceptional and not extensively known, criminals can simulate him or deceptively target him through methods like social engineering tricks to attain his confidential details.

Read more about social media here:

https://brainly.com/question/3653791

#SPJ1

Other Questions
Wyatt walks 3 miles each day for 6 days. Aaliyah walks 4 1/2 miles each day for 6 days. How many more miles will Aaliyah walk in 6 days than Wyatt?Someone pleeeeease help me information systems using the latest information technology have benefited which modern need In regard to sexuality, __________ tolerate and even encourage adolescent sexuality, whereas __________ place strong prohibitions on adolescent sexual activity before marriage.a. permissive cultures; restrictive culturesb. restrictive cultures; semirestrictive culturesc. permissive cultures; semirestrictive culturesd. semirestrictive cultures; restrictive cultures What do different forms of energy have in common? What nerve supples the ABDUCTOR muscles of thigh? Mean Mugs, a custom mug company, creates a strategic plan to be the leader in the product category within a perlod of three years. The company's middle management also creates a six-month plan to ensure that the objectives of the strategic plan are property implemented. The six-month plan created by Mean Mugs can be regarded as Multiple Choice static plan an operational plan an executive level plan a tactical plan contingency plan Which one of these does Nora not explicitly question at the end of the play? Bacteria prefer foods that are high in a) Protein and moisture b) Acid and moisture c) Protein and acid d Time and temperature Reviewing the record for deficiencies after the patient is discharged from the hospital is an example of what type of review? Which term refers to an attack conducted against a site with software that is vulnerable to aspecific exploit?time bombsadvanced persistent threatsspecific target attacktarget of opportunity attack 55 yo M presents with a rapidly progressive change in mental status, inability to concentrate, and memoryimpairment for the past two months. His symptoms are associated with myoclonus and ataxia. what the diagnosis? determine the time necessary for p dollars to doubl when it is invested at ineterest rate r compounded annually, monthly, daily, and continously, (round your answers to two decimal places.) Sarah is building a 10-foot-long pen for her pet rabbits. She wants to make gravel bases for two circular food containers to go inside the pen along with its width, as shown in the diagram. Let y represent the width of the pen and x represent the radii of the gravel bases and food containers. What system of inequalities can be used to determine the width of the pen, y, and the radii of the gravel bases, x? Mr. Weaver brings in a prescription for Welchol. You would update Mr. Weaver's profile with which medical condition? Blood clots Heart failure High cholesterol Irregular heart beat audits of publicly traded companies and privately held companies whose financial statements are expected to be widely distributed require an engagement Why was it necessary for the Second Continental Congress to outline the structure of government?1. It needed to explain how the government would work once independence from Britain was declared.2. It needed to have the power to create an army and house it during the War of Independence.3. It needed to have the power to raise taxes to pay for the effects of the War of Independence.4. It needed to explain what rights citizens would have in the new country. (E&E) E&E Refinery produces 3 types of gasoline: standard, midgrade, and premium by distilling from crude oil. Distilling 1 liter of crude oil can generate 0.5 liter of standard gasoline and 0.3 liter of midgrade gasoline. One liter of standard gasoline can be further processed into 1 liter of premium gasoline. The distillation of 1 liter of crude oil requires 1 machine hour and the cost of purchasing 1 liter of crude oil is 2 dollars ($2). It takes 3 additional machine hours and $2 to process 1 liter of standard gasoline into 1 liter of premium gasoline. Standard gasoline can be sold at the price of $4 per liter and midgrade gasoline can be sold at the price of $6 per liter. The price for premium gasoline is $10 per liter. Each week, E&E Refinery has 4,000 machine hours available and can purchase up to 3,000 liter of crude oil. The goal is to maximize the weekly profit. Formulate a math model for the problem using the following decision variables defined: XC denote the number of liters of crude oil used per week, XS denote the number of liters of standard gasoline produced per week after deducting the amount used to produce premium gasoline, XM denote the number of liters of midgrade gasoline produced per week, and XP denote the number of liters of premium gasoline produced per week2. Fill in the blanks (E&E) Use Excel solver to obtain the optimal solution for this problem and the maximum profit. Please provide numerical answers without dollar sign. Moreover, if the answer is an integer, please answer it without decimal places. Otherwise, provide the answer to 2 decimal placesThe maximum profit is ?XC =?XS =?XM =?XP = ?3. (E&E) The company has two options for procuring extra resources. Option 1 is to buy at least 1,500 liters of crude oil at the same cost of purchasing 1 liter of crude oil $2 dollars from another supplier. Option 2 is to rent a new machine which will provide additional 3,500 machine hours at a weekly cost of $4,500. Which option is better for the company? Please explain your reasons for your option. Partial differential equation Using the characteristic (integration constant) find the solution to x . u (x.y)/x + y . u(x,y)/y = 0with the boundary condition (1, y) = y how many seconds are required to deposit grams of cadmium metal from a solution that contains ions, if a current of 0.769 a is applied. s Match the following food acquisition behaviors to the hominin tool type or technology most likely used to carry it out.Chipped Stone Tool Flakes: cutting meat or other foodsCobbles or Choppers: smashing bone to access marrowSouth African Bone Tools: digging into termite mounds or digging for roots