Triangles 1 and 2 are similar. what ratio relates a side length of triangle 1 to the corresponding side length of triangle 2? fill in the box to complete the ratio. triangle a b c is labeled triangle 1. side a c is 17, c b is 15, a b is 8. angle c is 28 degrees and angle a is 62 degrees. triangle d e f is labeled triangle 2. side d f is 25.5, f e is 22.5 and d e is 12. angle d is 62 degrees, f is 28 degrees, and e is 90 degrees. to 12

Answers

Answer 1

If triangles 1 and 2 are similar, the ratio relates a side length of triangle 1 to the corresponding side length of triangle 2 is 2:3.

Since Triangles 1 and 2 are similar, their corresponding sides are proportional. This means that the ratio of the length of any corresponding pair of sides in the two triangles will be equal.

To determine the ratio of the side lengths of triangle 1 to the corresponding side lengths of triangle 2, we can choose any two corresponding sides and divide their lengths.

Let's choose side AC of triangle 1 and side DF of triangle 2. We know that these two sides are corresponding because they are both opposite angles that have the same measure.

The length of side AC in triangle 1 is given as 17, and the length of side DF in triangle 2 is given as 25.5. Therefore, the ratio of the length of side AC to side DF is:

AC/DF = 17/25.5 = 0.6667 or 2/3

So the ratio of the length of a side in triangle 1 to the corresponding side in triangle 2 is 2:3. This means that if we multiply any side length in triangle 1 by 2, we will get the length of the corresponding side in triangle 2.

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Related Questions

A small circle is centered inside of a larger circle. The large circle has a radius of 10 inches. The small circle has a radius of 3 inches.

Answers

Answer: 126in

Step-by-step explanation:

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5+10=24

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Maggie is 15 years older than Bobby. How old is Bobby? 1) In 3 years, Maggie's age will be 50% greater than Bobby's age.
2) Years ago, when Maggie was 25 years old, Bobby was 10 years old.

Answers

Maggie is 30 years old, and Bobby is 15 years old if in 3 years, Maggie's age will be 50% greater than Bobby's age and years ago when Maggie was 25 years old, Bobby was 10 years old.

Maggie is 15 years older than Bobby. We have to determine Bobby's age.

Let's suppose that Bobby's age is x, so Maggie's age would be x + 15 years.

1) In 3 years, Maggie's age will be 50% greater than Bobby's age.

The age of Maggie in 3 years would be (x + 15) + 3, and the age of Bobby would be x + 3.

According to the problem, Maggie's age in 3 years would be 50% greater than Bobby's age in 3 years.

So, (x + 15) + 3 = (1.5)(x + 3)

Simplifying the above equation, we get

x + 18 = 1.5x + 4

Now, we will solve for

x.x - 1.5x = -14-0.5x = -14x = 28

Therefore, Bobby is 28 years old now.

2) Years ago, when Maggie was 25 years old, Bobby was 10 years old.

Let's assume that x years ago Maggie was 25 years old. Thus, Bobby was 10 years old at that time.

So, x + 25 = (x + 10) + 15x = 15

Therefore, Maggie is 30 years old now. And Bobby is 15 years old now.

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WILL GIVE BRIANLIST TO BEST ASNWWR

Richard buys a new car for $28,000. The car depreciates in value by 9% each year. Which of the following uses the variable y to represent the value of the car after t years in an exponential model to represent the situation?

y=28,000(1.09)

y=28,000(91)

y-28,000(-9)

y=28,000(0.09)

Answers

The variable y is used to represent the worth of the car after t years like an exponential model to reflect the scenario, and the third option, y=28,000(0.91)t, is the correct response.

The formula for the exponential model is what?

A = A0(b)t/c is the formula for an exponential model, where A0 denotes the starting quantity of the thing being modeled. t stands for passing time. The quantity at time t is equal to A.

The exponentially decaying formula for an asset's value over time with such a consistent rate of depreciation is: y = a(1-r)t

Where:

Y is equal to the car's value after t years.

In this scenario, the car's original value is $28,000, and its rate of depreciation is 9%, or 0.09 in decimal notation.

t equals the amount of years

The exponential model can be expressed using the following formula: y = 28,000(1-0.09)t

By condensing the formula, we obtain the following result: y = 28,000(0.91)t

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Find the missing dimension of the triangle.

Area = 14 ft²
6 ft
b

b = ? ft

help pls I'll mark brainlisest ​

Answers

Area = 1/2bh
14 = 1/2 (b)6
Multiply by 2
28= 6(b)
Divide by 6
28/6 = b

4. (01.01 LC)
Counseling and employment readiness programs are examples of (5 points)
incapacitation
law enforcement
Orehabilitation
Odue process

Answers

So according to the question Counseling and employment readiness programs are examples of rehabilitation.

Explain rehabilitation?

The English words "re," which means "once more," and "habitia," which denotes capacity, were combined to create the word rehabilitation. As a result, we can conclude that the lexical significance of the word "rehabilitation" is "recapturing the capacity."

The counseling and employment readiness program are example of rehabilitation only.

Hence, rehabilitation entails providing a sincere or simple-minded person with the necessary assistance in order to enable him to resume living a normal life. For instance, medical assistance, financial assistance, business assistance, etc.

As accidents continue to occur everywhere, rehabilitation has a huge range of applications. Accidents can occur anywhere and at any time, making it challenging to eliminate them.

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the medians of a triangle intersect at the ___

Answers

Answer:

orthocentre

Step-by-step explanation:

this is the answer to your question

what wrong on this?
pls help

Answers

The area of trapezium CDEF is 30 cm².

What is the area of a trapezium?

The area of a trapezium is given by the formula:

Area = (1/2) x (sum of parallel sides) x (distance between the parallel sides)

where;

the "sum of parallel sides" refers to the total length of the two parallel sides of the trapezium, and the "distance between the parallel sides" refers to the perpendicular distance between the two parallel sides.

So the area of trapezium CDEF is calculated as;

A = ¹/₂ (CD + EF ) x CF

where;

DC= 9 - CB

CB  = 20 - (FA + CF + AB )

CB= 20 - ( 6 + 6 + 6 )

CB= 2

DC = 9 - 2 = 7 cm

A = ¹/₂ (7 + 3 ) x 6

A = 30 cm²

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Find the missing dimension of the trapezoid. 8 in. h 12 in. A = 40 in. h=___in

Answers

Answer: h=4

Step-by-step explanation:

is the difference in years at the company between employees with a high school degree and those with an mba significant at the 95% confidence level? remember, differences are significant at the 95% confidence level when the p-value is less than .05.

Answers

To determine if the difference in years at the company between employees with a high school degree and those with an MBA is significant at the 95% confidence level, we can perform a hypothesis test for p-value.

We can run a hypothesis test to see if the difference in years spent at the organization between workers with a high school diploma and those with an MBA is significant at the 95% confidence level.

We must first specify our alternative hypothesis and null hypothesis. Our null hypothesis is that there is no discernible difference in the number of years that personnel with a high school diploma and those with an MBA have worked for the organization. Our alternate theory is that the two groups have significantly different average years of employment.

The probability of witnessing the data if the null hypothesis is correct can then be determined using a t-test. The null hypothesis can be rejected if the p-value is less than 0.05, and the difference in years spent at the company between workers with a high school diploma and those with an MBA is determined to be significant at the 95% level of confidence.

We can use a two-sample t-test to compare the means of the two groups if the data is normally distributed and the variances are identical.

If the t-test yields a p-value of less than 0.05, we can reject the null hypothesis and draw the conclusion that there is a significant difference in the number of years that employees with a high school diploma and those with an MBA have worked for the organisation. In contrast, if the p-value is higher than 0.05, we are unable to rule out the null hypothesis since there is insufficient data to support the existence of a significant difference.

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what is x−10=4 pls help me

Answers

Answer:

Step-by-step explanation: 14 = x

Answer:

The answer to your question would be 14

Step-by-step explanation:

Simple equation

14 - 10 = 4

I hope this helps and have a wonderful day!

Please help me ill give
Brainliest

Answers

The point would be in quadrant III since both numbers are negative.

Answer: Quadrant III

Step-by-step explanation:

1. Quadrant I has a positive x and y value

2. Quadrant II has a negative x and positive y value

3. Quadrant III has a negative x and negative y value

4. Quadrant IIII has a positive x and negative y value.

Therefore, the answer is Quadrant III.

The assets and liabilities of a local surf shop are listed below. Building Mortgage $100,650 Other Debt $45,780 Accounts Receivable $11,261 Property Value $181,975 Long Term Investments $138,000 Small Business Loan $22,698 Long Term Liabilities $35,000 Owned Inventory $32,990 Cash $219,783 Savings Account $148,321 Owned Equipment $35,872 The surf shop owner receives notice that the property value has increased by $20,000. What is the net worth of the surf shop?

Answers

The net worth of the surf shop is $585,074.

What is total cost?

The variable and fixed cost of providing commodities are combined to create a total using the total cost formula.

First, we need to add the $20,000 increase in property value to the existing value to get the new property value:

$181,975 + $20,000 = $201,975

Next, we can add up the values of all the assets:

Owned inventory + Cash + Savings account + Accounts receivable + Owned equipment + Property value + Long-term investments

= $32,990 + $219,783 + $148,321 + $11,261 + $35,872 + $201,975 + $138,000

= $788,202

Then we can add up the values of all the liabilities:

Building mortgage + Small business loan + Other debt + Long-term liabilities

= $100,650 + $22,698 + $45,780 + $35,000

= $203,128

Finally, we can subtract the total liabilities from the total assets to find the net worth of the surf shop:

Net worth = Total assets - Total liabilities

= $788,202 - $203,128

= $585,074

Therefore, the net worth of the surf shop is $585,074.

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Rolling-circle replication of plasmids proceeds Choose one: in one direction from a single fixed origin. O in opposite directions from a single fixed origin. in one direction from multiple origin sites. O in opposite directions from multiple origin sites,

Answers

Rolling-circle replication of plasmids proceeds in one direction from a single fixed origin

Explanation:

How does Rolling-circle replication of plasmids proceed?

Rolling-circle replication of plasmids is a replication mechanism in which the replication process moves in one direction from a single fixed origin. Rolling-circle replication is a process that is often seen in circular plasmid DNA. It is a process that begins with an initiator protein, which is responsible for the nicking of a single DNA strand.The initiation point allows the helix to begin unwinding in one direction.

             As the DNA helix unwinds, replication is carried out in a continuous manner, and the helix is wound up behind it. During the replication process, a new strand is synthesized that is attached to the parent strand's 3' end.

                     Rolling-circle replication, on the other hand, is utilized to produce new plasmids that have a single strand, which can then be employed in other cells for the production of proteins or for research purposes.

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Thank you for the help!

Answers

Answer:

13 bags

Step-by-step explanation:

V = π(2^2)(1/2) = 2π = 6.28 cubic feet

6.28 ÷ .5 = 12.56

So Martin needs to buy at least 13 bags of sand.

Can someone help me with this aleks

Answers

I think the best way to do this is by splitting up the trapezoid into two shapes since it is not a regular trapezoid. We can make a split to form a small right triangle on the left and a regular trapezoid on the right.

Small right triangle on the left:

4 inch side length and 6 inch hypotenuse with the Pythagorean theorem will give us the missing side.

missing side = square root of 6^2-4^2 = [tex]2\sqrt{5}[/tex]

Then the area is [tex]\frac{1}{2}*4*2\sqrt{5}=4\sqrt{5}[/tex]

Regular trapezoid on the right:

Area will be [tex]\frac{6+(17-2\sqrt{5})}{2}*4=46-4\sqrt{5}[/tex]

Summing up the two areas to get the total we have [tex]4\sqrt{5}+46-4\sqrt{5}=46[/tex] in^2.

why mean absolute deviation is a better approach to handle outliers in a data than standard deviation

Answers

Mean absolute deviation (MAD) is sometimes considered a better approach to handle outliers in a data set than standard deviation because it is less sensitive to extreme values.

The reason for this is that MAD uses absolute differences between each data point and the median of the data set, rather than the squared differences used by standard deviation.

In a data set with extreme values, such as outliers, the squared differences used by standard deviation can significantly inflate the value, leading to a higher estimate of the overall variability in the data. MAD, on the other hand, uses absolute differences, which are not affected by the sign of the difference and thus are less affected by extreme values. Therefore, MAD can be a better measure of variability in a data set that includes outliers.

However, it is important to note that MAD also has some limitations. It is less widely used and less familiar to many analysts than standard deviation, and it has a more complex formula that can be harder to interpret. Additionally, MAD is not as efficient as standard deviation when the underlying distribution is normal, meaning it requires a larger sample size to achieve the same level of precision as standard deviation. Ultimately, the choice between MAD and standard deviation depends on the specific characteristics of the data set and the goals of the analysis.

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In an experiment, a fair four-sided die (its faces are labeled 0, 1, 2, 3) is thrown once. The outcome of the throw determines how many times a fair coin is to be flipped: if N is the number that results from throwing the die, we flip the coin N times. Let K be the total number of heads resulting from the coin flips. Suppose the die roll results in a 2. What form does the conditional distribution of distribution along with its parämeters calculated the probabilities in the table a) K have given that N-2? You don't need to calculate anything. Just state the b) Fill in this table for the joint PMF of N and K. Show your work for how you I k 0 2 3 c) Using the joint PMF, obtain the marginal for N. Show your work. d) Using the joint PMF, obtain the marginal for K. Show your work. e) What is the conditional PMF of N given K-2? i.e., what is pNk(njk-2)? Show your work f) Are N and K independent? Show work to support your answer

Answers

For N and K to be independent, the joint probability mass function should factorize into the product of the marginal probability mass functions:

P(N=n,K=k) = P(N=n) * P(K=k)If this condition is not satisfied, then N and K are dependent.

The distribution of K given that N=2 can be calculated using the conditional probability formula:

P(K=k|N=2) = P(K=k and N=2) / P(N=2)

Let X be the outcome of the coin flip. Then the joint probability mass function of N and K can be expressed as:

P(N=n,K=k) = P(X=0) for n=0 and k=0

P(N=n,K=k) = P(X=1) for n=1 and k=0, 1

P(N=n,K=k) = P(X=2) for n=2 and k=0, 1, 2

P(N=n,K=k) = P(X=3) for n=3 and k=0, 1, 2

The marginal probability mass function of N can be obtained by summing over all possible values of K:

P(N=n) = P(N=n,K=0) + P(N=n,K=1) + P(N=n,K=2)

The marginal probability mass function of K can be obtained by summing over all possible values of N:

P(K=k) = P(N=0,K=k) + P(N=1,K=k) + P(N=2,K=k) + P(N=3,K=k)

The conditional probability mass function of N given that K=2 can be calculated using Bayes' theorem:

P(N=n|K=2) = P(K=2|N=n) * P(N=n) / P(K=2)

For N and K to be independent, the joint probability mass function should factorize into the product of the marginal probability mass functions:

P(N=n,K=k) = P(N=n) * P(K=k)

If this condition is not satisfied, then N and K are dependent.

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PLS HELP DUE TODAY

LOOK AT SS

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This means that the line represented by f(x-3) has been shifted down by 39 units compared to the line represented by f(x).

what is Y intercepted?

In mathematics, the term "Y-intercept" refers to the point at which a graph or line intersects the y-axis. It is the value of the dependent variable (usually represented by "y") when the independent variable (usually represented by "x") is equal to zero.

For example, the equation of a straight line can be written in the form y = mx + b, where m is the slope of the line and b is the y-intercept. The y-intercept is the value of y when x is equal to zero.

So, if the equation of a line is y = 2x + 5, then the y-intercept is 5, because this is the value of y when x is equal to zero.

To simplify f(x-3), we need to substitute x-3 for x in the expression for f(x):

[tex]f(x-3) = 10(x-3) - 9[/tex]

Expanding the multiplication and simplifying, we get:

[tex]f(x-3) = 10x - 30 - 9[/tex]

[tex]Therefore, f(x-3) = 10x - 39.[/tex]

To determine the slope, we can compare this expression to the standard form of a linear equation, y = mx + b, where m is the slope. We can see that the coefficient of x in the simplified expression is 10, so the slope is 10. This means that the line represented by f(x-3) is steeper than the line represented by f(x).

To determine the y-intercept, we can look at the constant term in the expression. In this case, the constant term is -39. This means that the line represented by f(x-3) has been shifted down by 39 units compared to the line represented by f(x).

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I need help with question 1

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Hy bro in which class you are?

number of calls coming to the customer care center of a mobile company per minute is a poisson random variable with mean 5. find the probability that no call comes in a certain minute

Answers

The given information says that the number of calls coming to the customer care center of a mobile company per minute is a Poisson random variable with a mean of 5, So the probability that no call comes in a certain minute is 1

What is the Poisson distribution?

                 A Poisson distribution is a probability distribution that shows the probability of a certain number of events occurring within a specific time or space, provided that these events occur at an average rate that is constant throughout the space or time.

             Given a Poisson random variable with mean λ, the probability of observing x occurrences of an event in a certain time interval is given by:

                          P(X = x) = (e^(-λ) * λ^x) / x!,

             where e is Euler's number (approximately equal to 2.71828).

We are required to find the probability that no call comes in a certain minute, i.e., P(X = 0).

Substituting the given values into the Poisson distribution formula:

                     P(X = 0) = (e^(-5) * 5^0) / 0!

                                   = (1 * 1) / 1

                                   = 1

    Therefore, the probability that no call comes in a certain minute is 1.

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how would i graph my question when the x and y intercept is (10,140) when the slope is -14

Answers

The given values are inserted in the point-slope form which formed the equation 140 = -14x + 10 and has been graphed.

What is point-slope form?

When you know the slope of the line to be investigated and the given point is also the y-intercept, you can utilize the slope-intercept formula, y = mx + b. (0, b).

The y value of the y-intercept point is denoted by the symbol b in the formula.

The general form of a linear equation is y-y1=m(x-x1).

It draws attention to the line's slope and one of the line's points (that is not the y-intercept).

So, in the given situation:
The point-slope form is: y = mx + b

Then y is y and b is the x value and m is the slope.

Now, insert values as follows:

y = mx + b

140 = -14x + 10

Graph the equation as follows:

(Refer to the graph attached below)


Therefore, the given values are inserted in the point-slope form which formed the equation 140 = -14x + 10 and has been graphed.

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Han is cycling at a speed of -8 miles per hour; if he starts at the same zero point what will his position be after 45 minutes?

Answers

Answer:

3.6 miles

Step-by-step explanation:

hope this helps!

original sample: 84, 71, 79, 96, 87. do the values given constitute a possible bootstrap sample from the original sample?

Answers

Yes, the given values constitute a possible bootstrap sample from the original sample.

Bootstrap samples are taken with replacement from the original data set. In other words, it means that each sample consists of a random sample of the same size as the original data set taken from the original data set.

Hence, a given set of values can be a bootstrap sample from the original sample as long as the values are randomly selected from the original sample and with replacement.

The sample is said to be a bootstrap sample from the original data set if it satisfies the following properties:

1. The bootstrap sample must be of the same size as the original data set.

2. Each observation from the original data set must have an equal chance of being selected in each bootstrap sample.3. The bootstrap samples must be independent of each other.

In the given problem, the sample consists of 5 values, namely 84, 71, 79, 96, and 87.

These values can be a bootstrap sample from the original sample as long as the values were randomly selected with replacement from the original sample.

Since the problem does not provide any information on how the sample was obtained, it cannot be determined whether or not it is a bootstrap sample.

Therefore, the answer is that the given values constitute a possible bootstrap sample from the original sample.

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latrell's pool table is 3 feet wide and 7 feet long. latrell wants to replace the felt on the pool table. the felt costs $5.00 per square foot. how much would it cost in total to replace the felt on the pool table?

Answers

Latrell would need to pay 105 to replace the felt on his pool table.

Latrell has a pool table that is 3 feet wide and 7 feet long.

The pool table's felt needs to be replaced, and the cost of the felt per square foot is $5.00.

Let's find out how much it would cost Latrell to replace the pool table's felt.

What is the surface area of the pool table.

To determine the surface area of the pool table,

we need to multiply the length by the width, as shown below:

Surface area = length × width

Surface area = 7 ft × 3 ft

Surface area = 21 square feet

Now that we know the surface area of the pool table, we can determine the cost of the felt.

Latrell will need 21 square feet of felt, and it costs $5.00 per square foot.

We can use the following formula to determine the total cost of the felt:

Total cost of felt = cost per square foot × surface area.

Total cost of felt = $5.00 × 21 square feet.

Total cost of felt = $105

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A number divided by eight answers 27 remainders four whats the number

Answers

As per the query, we have to find a number which is divided by 8 that answers 27, i.e., quotient is 27, and remainder is 4. The number is 220.

In this case, we used it to find the number that was divided by 8 and gave a quotient of 27 and a remainder of 4. As we know the rule:

Dividend = Divisor × Quotient + Remainder

x = 8 × 27 + 4 x = 216 + 4 x = 220.

Hence, the number is 220.

The formula I used is called the division algorithm. It’s a way to divide two numbers and get a quotient and remainder. We can use this formula to solve other division problems with remainders as well.

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which postulate or property can be used to prove that kimball is not between scottsbluff and sidney?

Answers

The postulate or property that can be used to prove that Kimball is not between Scottsbluff and Sidney is the Segment Addition Postulate.

The Segment Addition Postulate states that for three points A, B, and C, where B is between A and C,

            we have AB + BC = AC.

Given that Kimball is not between Scottsbluff and Sidney, this means that Kimball is either to the west of Scottsbluff or to the east of Sidney.

Let's assume that Kimball is to the west of Scottsbluff.

Then, we can draw the line segment as follows:

Scottsbluff ——————— Kimball ——————— Sidney

Let AB represent the distance between Scottsbluff and Kimball, and let BC represent the distance between Kimball and Sidney. According to the Segment Addition Postulate, AB + BC = AC, where AC is the distance between Scottsbluff and Sidney.

However, if we draw the line segment from Scottsbluff to Sidney without Kimball, we can see that the distance between the two points will always be shorter than the sum of the distances from Scottsbluff to Kimball and from Kimball to Sidney.

This implies that if Kimball is not between Scottsbluff and Sidney, then it is not possible for the segment addition postulate to hold true for the three points.

Therefore, we can use the segment addition postulate to prove that Kimball is not between Scottsbluff and Sidney.

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Find the measures of each of the angles 1-7.

Answers

Answer:

1=26°

2=154°

3=26°

4=26°

5=154°

6=154°

7=26°

A quadrilateral is on a coordinate plane at points A(-3, 1) B(1, 4) C(5, 1) D(1, -2).

Which sides of the quadrilateral are parallel? Select all that apply!
Responses


A. AB and BC

B. BC and CD

C. AB and CD

D. There are no parallel sides

E. BC and AD

Answers

The correct option is E. BC and AD, are the two parallel sides of the quadrilateral ABCD.

Explain about the quadrilateral?Quadrilaterals are geometric figures with four sides and four vertices. Frequently, two of something like the sides are parallel, meaning implies that no matter how far they stretch, their distance from one another remains constant.

quadrilateral on  coordinate plane had points:

A(-3, 1) B(1, 4) C(5, 1) D(1, -2).

Find distance between points using distance formulae:

d = √(x2 - x1)²  + (y2 - y1)²

AB = √(1 + 3)²  + (4 - 1)²

AB = √(4)²  + (-3)²

AB = √16 + 9

AB = √25

AB = 5

CD = √(5 - 1)²  + (1 + 2)²

CD = √(4)²  + (3)²

CD = √16 + 9

CD = √25

CD = 5

As, sides Ab and CD are both equal of 5 units each, , then the sides in between them BC and AD will be parallel.

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two cards are drawn without replacement from a standard deck of 52 playing cards. what is the probability at least one of them is spades

Answers

To find the probability that at least one of the two cards drawn from a standard deck of 52 playing cards is a spade, we can use the complement rule.

The complement of the event "at least one of the cards is a spade" is "neither of the cards is a spade."

The probability that the first card is not a spade is 39/52 since there are 39 non-spade cards out of a total of 52 cards. Once the first non-spade card has been drawn, there will be 51 cards remaining, of which 38 are non-spades. Thus, the probability that the second card is also not a spade is 38/51.

To find the probability that neither of the two cards is a spade, we can multiply the probabilities of drawing a non-spade on the first card and a non-spade on the second card:

P(neither is spade) = (39/52) x (38/51) = 0.4498 (rounded to four decimal places)

The probability that at least one of the two cards is a spade is equal to 1 minus the probability that neither of the cards is a spade:

P(at least one is spade) = 1 - P(neither is spade)

P(at least one is spade) = 1 - 0.4498

P(at least one is spade) = 0.5502 (rounded to four decimal places)

Therefore, the probability that at least one of the two cards drawn from a standard deck of 52 playing cards is a spade is 0.5502 or approximately 55.02%.

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2. (2 points) a state administered standardized reading exam is given to eighth grade students. the scores on this exam for all students statewide have a normal distribution with a mean of 538 and a standard deviation of 30. a local junior high principal has decided to give an award to any student who scores in the top 2.5% of statewide scores. how high should a student score be to win this award? round your answer up to the next integer.

Answers

A student should score 598 in order to win the award.

To calculate how high should a student score be to win this award, we use the z-score formula.

z=(x-μ)/σ

Where,

μ= Mean of the scores on this exam

σ= Standard deviation of the scores on this exam

z= Z-score

x= Scores on this exam

By substituting the given values in the formula, we get

z=(x-μ)/σ

[tex]= (x-538)/30[/tex]

To find the highest 2.5%, we use the normal distribution table which gives us the Z-score corresponding to 0.975. The highest 2.5% is on each side of the normal distribution curve. Therefore, we have to subtract the area from the highest score, then divide by two.

Subtracting 0.975 from 1 gives us the area to the left of this point on the table which is equal to 0.025.Z = 1.96.

So the score should be one standard deviation above the mean. Thus, the score a student needs to get in the top 2.5% of statewide scores is

   [tex]Z = (x - 538) / 30[/tex]

[tex]1.96 = (x - 538) / 30x - 538 = 1.96 * 30x - 538 = 58.8 + 538x = 597.8[/tex]

The score a student needs to get in the top 2.5% of statewide scores is 598, rounded up to the next integer.

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