February 26, 2017

Homework Help: Math

Posted by Anonymous on Tuesday, March 15, 2011 at 10:45am.

A circular swimming pool is 4 feet deep and has a diameter of 15 feet. If it takes 7.5 gallons of water to fill one cubic foot, to the nearest whole number, how many gallons are needed to fill this swimming pool.

Diameter = 2r

A = π r^2

V = 4A

W = 7.5V

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