February 21, 2017

Homework Help: calculus help please

Posted by philip on Thursday, December 30, 2010 at 8:16pm.

At the instant when the radius of a cone is 3 inches, the volume of the cone is increasing at the rate of 9 pi or 28.27433388 cubic inches per minute. If the height is always 3 times the radius, find the rate of change of the radius at that instant?

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