04/17/20

A random sample of 70 printers discovered that 25 of them were being used and small businesses. Find the 95% confidence interval of the population of printers that are used in small
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04/17/20

Find the values of the ratios 5 to 8 of the perimeters and areas of the similar triangles. Write the ratios as fractions in simplest form.
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04/17/20

PLEASE ANSWER THESE QUESTIONS!!
find cotθ if sinθ = 12/13 find θ given cosθ = 3/8
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04/16/20

Find cotθ if sinθ= 12/13
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04/16/20

Confusing question a little bit
A certain company’s IT department has found that 15% of all visitors to the company website arrive there in error.(They are actually looking for another website). A random sample of 8 visitors to... more
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04/16/20

Exponential Functions
A town has a population of 2000 and grows at 4.5% every year. To the nearest tenth of a year, how long will it be until the population will reach 3900?
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04/16/20

The fox pop. In one region has an annual growth of 11%. In 2012 there were 24,100 foxes. What is the fox pop. prediction for 2019?
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04/16/20

Statistics test
A test is made of 𝐻o: 𝜇 = 15 versus 𝐻1: 𝜇 > 15. The true value of 𝜇 is 15, and 𝐻o is rejected. Was this a correct decision? If not, what type of error was made?
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04/16/20

What is the area of a regular nonagon with 10 cm sides and an apothem of 6 cm?
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04/16/20

Pythagorean Theorem
The hypotenuse of a triangle is 5 inches longer than the shortest side. The other side is 10 inches.
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04/16/20

density practice
In the city of Manhattan, it takes about 13 Starbucks to serve every 100,000 people. As of 2019, Manhattan has approximately 1,629,000 people. If Manhattan is approximately 23 square miles, what is... more
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04/16/20

was dilated around the origin by a scale factor of 2. The endpoints of the image are C’(4,0) and D’(6,2). What are the coordinates of the endpoints of the original line segment?
a. C’(2,0),(3,0)b. C’(2,0),(3,1)c.C’(2,0),(1,1)d. C’(4,0),(6,2)
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04/15/20

Homework:Chapter 11 Review Homework
A city council consists of five Democrats and seven Republicans. If a committee of seven people is​ selected, find the probability of selecting five Democrats and two Republicans.
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04/15/20

How to factor these
-63p^3-72p^2-90 b^2-7b+6 v^3+11+28 4n^2-1 9n^2-30n+25
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04/15/20

Homework:Chapter 11 Review Homework
In how many ways can a committee of two men and two women be formed from a group of twelve men and eleven ​women?
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04/15/20

Homework:Chapter 11 Review Homework
In a different plan for area​ codes, the first digit could be any number from 3 through 6​, the second digit was either 3 ,4 , 5​, and the third digit could be any number except 6. With this​ plan,... more
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04/15/20

Find the exact simplified value of sin(x/2) assuming that tan(x) = -5/12 and that 90° < x < 180°
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04/15/20

a person rolls a six sided die once. Find the probability of P(1|no more than 3)
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04/15/20

A pyramid with a square base that is 9cm on a side has a height of 10cm the volume of the pyramid is
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04/15/20

Find an equation for the line parallel to y = − 3 x + 4 and goes through the point ( 10 , − 6 ) . Write your answer in the form y = m x + b .
Find an equation for the line parallel to y=−3x+4 and goes through the point (10,−6).Write your answer in the form y=mx+b.
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04/15/20

An element with a mass of 320 grams decays by 5.1% per minute. To the nearest tenth of a minute, how long will it be until there are 200 grams of the element remaining?
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04/15/20

50 randomly selected statistics students were asked if they read their statistics textbook. 35 responded that they do not read the textbook. What is the value of 𝑝̂ for this sample?

50 randomly selected statistics students were asked if they read their statistics textbook. 35 responded that they do not read the textbook. What is the value of 𝑝̂ for this sample?  
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04/15/20

The lengths of pregnancies in a small rural village
The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days and a standard deviation of 16 days.In what range would you expect to find the middle 50% of... more
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04/15/20

A particular fruit's weights are normally distributed
A particular fruit's weights are normally distributed, with a mean of 476 grams and a standard deviation of 19 grams.If you pick 11 fruit at random, what is the probability that their mean weight... more
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04/14/20

Solve this problem

Casey ran out of time while taking a multiple-choice test and plans to guess on the last 10 questions. Each question has 4 possible choices, one of which is correct. Let X equal the number of... more
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