7,189 Answered Questions for the topic Math Help

Math Help

08/03/17

You could rent cell phones for you overseas travel.

If you are in Paris, the cost for a 1 week rental, building 50 min of long-distance calls to New York, the rental fee, and $4 for each airtime minute, was $240. A. find a formula for the total... more
Math Help

08/03/17

Find the coordinates of the vertex

Find the coordinates of the vertex and the intercepts of the following quadratic function. When necessary, approximate the x-intercepts to the nearest tenth. f(x)=xsquare2 + 8x+7
Math Help

08/03/17

Find he slope-intercept form of the equation of the line that has the given properties ( m is the slope).

passes through (3,4); m = -1    
Math Help

08/03/17

Greg drove at a constant speed

Greg drove at a constant speed in a rainstorm for 280 miles. He took a break, and the rain stopped He then drove 220 miles at a speed that was 9 miles per hour faster than his previous speed. If he... more
Math Help Math Prealgebra

08/03/17

Write a word problem that could be solved with the equation 0.55n = 3.30.

please help me!
Math Help Math Prealgebra

08/03/17

Write a proportion and solve. Three kiwi fruits cost $.99. Find the cost of 8 kiwi fruits.

PLEASE help...
Math Help

08/03/17

blended coffee

Deluxe coffee is to be mixed with regular coffee to make at least 50 pounds of a blended coffee. The mixture must contain at least 14 pounds of deluxe coffee. Deluxe coffee costs $7 per pound and... more
Math Help

08/03/17

Find the missing length.

AP PC BQ BC 6    4    ?    13 You have two similar triangles ABC and on top inside the first triangle PQC. PQ are parallel to AB. The lengths are given. Find the missing length.

08/03/17

Find the perimeter of the polygon with the vertices G(2, 4), H(2,−3), J(−2,−3), and K(−2, 4)

Find the perimeter of the polygon with the vertices G(2, 4), H(2,−3), J(−2,−3), and K(−2, 4)
Math Help

08/02/17

Magnificent Cable charges $60.00 per month and $4.95 per premium movie ordered. Wonderful Cable charges $65.00 per month and $3.95 per premium movie. In a sys

Magnificent Cable charges $60.00 per month and $4.95 per premium movie ordered. Wonderful Cable charges $65.00 per month and $3.95 per premium movie. In a system of equations representing this... more
Math Help

08/02/17

y varies directly as x. If y = -5 when x = 15, find x when y = 3.

y varies directly as x. If y = -5 when x = 15, find x when y = 3.
Math Help

08/02/17

What is the volume.?

A cylinder hotel is 68 stories high. If the height of this cylinder is 733 ft and its diameter is 92ft, what is the volume?
Math Help

08/02/17

Use the approximate value 3.14 for Pi to find the volume V and the total surface area S of the following figures.

Radius 4 in, height 9 in. a. the circular cone of given radius and height.    V =_______ in^3    S = ______  in^2  
Math Help

08/02/17

if 7 squares have the perimeter of 64cm,how long is one side?

I really need help on this question, as I am a teacher for year 8 I need to  know this question in order to teach them. If you are going to ask where I got this question from it was from a book and... more
Math Help Math Pre Algebra

08/02/17

What is the total interest on a $1,000 loan at the end of two years?

A credit card company charges 10% simple interest. What is the total interest on a $1,000 loan at the end of two years?
Math Help Math Pre Algebra

08/02/17

Which formula represents interest earned after the first three months by an account that compounds quarterly (every 3 months)?

A. I = P • R ÷ 12B. I = P • RC. I = P • R ÷ 4D. I = P • R • 3
Math Help Math

08/02/17

Which formula represents the interest I earned after the first month of an account that compounds monthly?

Which formula represents the interest I earned after the first month of an account that compounds monthly? P= principal; R = interest rate.    A. I = P • RB. P= I • R ÷ 12C. I = P • R ÷ 12D. P= R... more
Math Help

08/02/17

What annual rate of interest did the certificate pay?

Susan bought a 6-month $1,400 certificate of deposit. At the end of 6 months, she received $126 simple interest. What annual rate of interest did the certificate pay?
Math Help

08/02/17

What is the total interest on a $1,900 loan at the end of two years?

A credit card company charges 7% simple interest. What is the total interest on a $1,900 loan at the end of two years?
Math Help

08/02/17

complete the sequence 3 -6 12 4 20

the answer options are 13 14 6 and 16
Math Help

08/02/17

If I had 10 pounds of oxiclean packs that each weighed 1.5 ounces, how many oxiclean packs would I have?

If I had 10 pounds of oxiclean packs that each weighed 1.5 ounces, how many oxiclean packs would I have?
Math Help Math

08/01/17

Solve for b in the equation R = 5a Squared2 b

A. b = R over 5a squared2B. b = R − 5a squared2C. b = 5a squared2 over RD. b = R over 5a is it C
Math Help

08/01/17

What is the balloon's height after 3 seconds?

A water balloon is thrown from an apartment window. The water balloon's height, h (in feet above the ground), after t seconds is modeled by h = −16t2 + 517. What is the balloon's height after 3... more
Math Help Math

08/01/17

What is the solution of x − 11x ≤ 30?

A. x ≥ −3B. x ≤ −3C. x ≤ 5 over 2D. x ≤ −1 over 3 I think it's A..
Math Help Math

08/01/17

Find all possible values for the length of the rectangle if the perimeter is at least 228 centimeters.

The width of a rectangle is 13 centimeters. Find all possible values for the length of the rectangle if the perimeter is at least 228 centimeters. A. x ≥ 44 cmB. x ≥ 101 cmC. x ≥ 17.54 cmD. x ≥... more

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