Sunday

April 20, 2014

April 20, 2014

Posted by **Ash** on Thursday, October 29, 2009 at 6:53pm.

- calculus -
**Reiny**, Thursday, October 29, 2009 at 6:59pmV = (4/3)pi(r^3)

dV/dt = 4pi(r^2)dr/dt

when t=7

80 = 4pi(49)dr/dt

dr/dt = 80/(196pi)

SA = 4pi(r^2)

d(SA)/dt = 8pi(r)dr/dt

= 8pi(7)*80/(196pi)

etc

- calculus -
**Anonymous**, Wednesday, May 8, 2013 at 12:25pmnmnm

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