04/12/21

Find the perimeter in inches of the polygon.
Find the perimeter in inches of the polygon.9 in.40 in.A right triangle is given. One leg is labeled 9 inches. The other leg is labeled 40 inches. The hypotenuse is not labeled.
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04/12/21

Find the equation of the line that is perpendicular to the given line and passes through the given point
Find the equation of the line that is perpendicular to the given line and passes through the given pointy = -1/3x -5; (12,,0)
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04/12/21

Which of the following is the image of the point (-1,6) after a counterclockwise rotation of 90 degrees about the point (4,2)
(1) (8,7)(2) (3,8)(3) (-5,-3)(4) (0,-3)
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04/12/21

Help me asap now
What is the image of the point (5,−9) after a rotation of 180∘ counterclockwise about the origin?
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04/12/21

What is the probability a student will get cold food from  Location A
In a particular day, if a  student eats in campus, 50% of the time will be in the  Location A, 30% of the time at the Location B, and 20% of the time at Location C. If he eats at the  Location A,... more
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04/12/21

Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval for a sample of size 280 with 126 successes
Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval for a sample of size 280 with 126 successes. Enter your answer as an open-interval (i.e.,... more
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04/11/21

can someone help me with this plz?
Which has an area that is greater, a 30-60-90 triangle with hypotenuse of 4 or a 45-45-90 triangle with a hypotenuse of 4?
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04/11/21

can someone help plz
If the height of an equilateral triangle is 8squareroot 3 whats the length of a side?
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04/11/21

Test for significance by using the confidence interval and hypothesis testing methods

An IQ test has a mean of 100 and standard deviation 10. A Group of 20 college students is given the IQ test and their mean score is 106. Is their evidence at the 05 level of significance that the... more
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04/10/21

Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If P(−b<z<b)=0.273, find b.
And if possible, could you include the way you reached the answer?
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04/10/21

Math probability

In a class of 28 students, 19 have a cat and 6 have a dog. There are 5 students who do not have a cat or a dog. What is the probability that a student who has a cat also has a dog?
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04/10/21

Using a 95% confidence level and the sample standard deviation of 60, approximately how large should a sample be to estimate the population mean with a margin of error not exceeding 3?

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04/10/21

How do you what number is exactly 1, 2 or 3 standard deviations away from the mean?
For example, the question is The population of scores on the SAT forms a normal distribution with(mu= 500) and sigma = 100. A random sample of n= 16 students is used, what is the probability that... more
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04/10/21

math algebra expressions
there are 20 red and blue marbles in a bag. 5 marbles are red. how many are blue
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04/10/21

statistics homework
The population of weights of a particular fruit is normally distributed, with a mean of 698 grams and a standard deviation of 25 grams. If 27 fruits are picked at random, then 14% of the time,... more
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04/10/21

stuck on math Homework
A population of values has a normal distribution with μ=241.4 and σ=69.7. Find the probability that a single randomly selected value is less than 264.1. Round your answer to four decimal... more
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04/10/21

help on statistics
A population of values has a normal distribution with μ=66.3 and σ=40.2. A random sample of size n=238 is drawn. Find the probability that a sample of size n=238 is randomly selected with a mean... more
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04/09/21

Which type of graph(s) should be used for the following data? Choose all that apply:
Which type of graph(s) should be used for the following data? Choose all that apply:{2.5, 3.2, 4.3, 6.4, 5.5, 2.3, 5.4, 6.6, 7.6, 6.1, 3.1, 4.3, 5.2} -Stem-and-Leaf plot-Box plot-Histogram-Scatter... more
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04/09/21

Which type of graph(s) should be used for the following data? Choose all that apply:
Makeshift table:)_______________________| Animal | frequency |___________ |___________ | | Elephant | 3 |___________ |___________ || Giraffe | 12 |___________... more
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04/09/21

Use 3.1416 for pi and round to the nearest hundreth. FInd measure of arc XPY.
The radius is 8 and the the angle XY covers 90. Its a write your answer question. Thank you guys so much.
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04/09/21

Probability math question

Suppose you pay $1 to play a game in which a pair of fair (6-sided) dice is rolled. If a sum of 6,7, or 8 comes up you win $5. If a 2 or 12 comes up you win $3. Otherwise you lose the dollar you... more
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04/09/21

A square yard is a square with sides 1 yard in length. (a) How many square feet are in 1 square yard? (b) How many square inches are in 1 square yard?
A square yard is a square with sides 1 yard in length.(a) How many square feet are in 1 square yard?(b) How many square inches are in 1 square yard?
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04/09/21

Find the area in square meters of the figure described. A 45°-45°-90° triangle has a leg measuring 8 m.
Find the area in square meters of the figure described.A 45°-45°-90° triangle has a leg measuring 8 m.
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04/09/21

What is the area in square units of the entire colored region?
Consider that the area of the square is 16 square units and the area of the circle is 20 square units, but suppose you know that the area of the region defined by the intersection of the square and... more
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04/08/21

What is the correct mean absolute deviation of the 10 plants?
Mr. O'Lear is conducting an experiment that involves 10 plants. He initially determined that the plants had a mean height of 72 centimeters and a mean absolute deviation of 8.5 centimeters. He... more
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