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October 1, 2014

Homework Help: algebra

Posted by Jeremiah on Thursday, March 10, 2011 at 7:19am.

The power P needed to propel a boat is directly proportional to the cube of the speed of the boat. A 100 hp engine is needed to propel a boat at 15 knots. Find the power needed to drive the boat at 20 knots.

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