Mason plays a game by flipping two fair coins. He wins the game if both coins land facing heads up. If Mason plays 200 times, how many times should he expect to

Mason plays a game by flipping two fair coins. He wins the game if both coins land facing heads up. If Mason plays 200 times, how many times should he expect to win

x has a normal distribution with a mean of 75.0 and a standard deviation of 2.5

x has a normal distribution with a mean of 75.0 and a standard deviation of 2.5

perpendicular to the line that passes through the points (,-11) and (17,-7), containing the point (19,5)

perpendicular to the line that passes through the points (,-11) and (17,-7), containing the point (19,5)   put in slope intercept form

09/26/17

For the function h(x)= x^3-27/x^2-9 complete the following:

a. Make a table of values of h(x) for x values close to 3 and on both sides of zero.   b. Make a conjecture about lim x arrow 3 h(x). Round conjecture to 2 decimal places.                      ... more

09/26/17

How do you solve a trigonometric ratio?

I would like to know how to solve for advanced trigonometric equations.  

09/26/17

A group ofo 30 bikers went on a trip. Some rode bicycles and the other rode "tandems " . If the total number of

if the total number of bicycles and tandems was 23 how many tandems were used.

Which of the following statement(s) correctly explain the meaning of f −1 (C) ?

Let C=f(q)=250+0.1q give the cost in dollars to manufacture q kg of a chemical a) Which of the following statement(s) correctly explain the meaning of−1(C)? Check all that apply.   A. The cost of... more

09/23/17

A rectangle is drawn so the width is 7 inches longer than the height. If the rectangle's diagonal measurement is 45 inches, find the height.

A rectangle is drawn so the width is 7 inches longer than the height. If the rectangle's diagonal measurement is 45 inches, find the height.

finding the cost of coffee

A certain brand of coffee comes in two sizes. A 10.5-ounce package costs $3.24. A 30.6-ounce package costs $9.88.

Pratap Puri Rowed 22 miles

Pratap Puri rowed 22 miles down a river in 2 hours, but the return trip took him 5 1/2 hours. Find the rate Pratap can row in still water and find the rate of the current. Let x=rate Pratap can row... more

The measure of an angle's supplement is 24 less than twice the measure of the angle. Find the measure of the angle and its supplement.

The measure of an angle's supplement is 24 less than twice the measure of the angle. Find the measure of the angle and its supplement.  

09/20/17

solve for (f o g o h)(x)

find (f o g o h)(x)     f(x)= sqrt(7x)       g(x)= (x/(x-3))    and h(x)= 3sqrt(12x) 

find the points of tangency

Find the points of tangency given f(x) = 15/2/x is tangent to x2/25 + y2/9 = 1

09/20/17

Graph the ellipse

graph x2/25 + y2/9 = 1

09/20/17

Factorise: a 4x + 24y b 2x2 ¡ 8x c 3a + 6ab + 9a2 d 3(x ¡ 6) + d(x ¡ 6) e 2x(x + 4) + 3x + 12

guys can you help me in math sums

find the randomly selected adult that has an iq between 83 and 115

Assume that adults have iq scores that are normally distributed with a mean of 100 and a standard deviation of 15 .

09/19/17

Can someone explain this to me ?

Can someone explain this to me"In reading group A with 90 students, there are 4 boys for every 5 girls. In the other reading group, B, there are 3 boys for every 2 girls. If these two groups are... more

finding the max of a trig function

f(x) = 5sin (-4x)-3 in the domain 0<x<2 pi i know how to find the derivative f'(x) = -20 cos (-4x)   but i am unsure as to how you solve this for critical... more

Which of the following is NOT a requirement?

Which of the following is NOT a requirement for using the normal distribution as an approximation to the binomial distribution?   Choose the correct answer below.   A.The sample is the result... more

Dawn and Scott pocket money

Dawn and Scott count the money they each have in their pocket. Dawn has £17.50 and the ratio of Dawn's money to Scott's money is 5:4. Dawn gives £4 to Scott. What is the new ratio between the amounts? more

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