Asked by Katie

A can containing 3 tennis balls has a volume of 128/9pi cubic inches. If the height of the cylinder is 8in., what is the diameter of each tennis ball.

Please explain how to do this.
Answered by Grover
The diameter will be the same as the diameter of the cylinder because the balls fit inside the cylinder
Answered by Henry
Do you mean V = (128/9)pi?
V = pi*r^2*h = (128/9)pi.
3.14*r^2*8 = 44.7
r^2 = 1.78
r = 1.33 In.
D = 2r = 2.7 In.

Answered by Esther
A student earns 10 dollars for every yard he mows in his neighborhood. He wants to buy a new MP3 player for 180 dollars including tax. At least how many yards will he need to mow in order to earn money for the MP3 player?
a) Write an inequality that could be used to solve the problem.
b) solve the inequity.
Answered by dam
A can containing 3 tennis balls has a volume of 12891289π cubic inches.

What is the diameter of each tennis ball?
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