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January 30, 2015

January 30, 2015

Posted by **y** on Saturday, April 13, 2013 at 12:11pm.

- CALCULUS -
**Reiny**, Saturday, April 13, 2013 at 2:43pmgiven: 2r = h

d(diameter)/dt = 2 m/min

d(2r)/dt = 2 m/min

d(r)/dt = 1 m/min

V(ofcone) = (1/3)πr^2 h

= (1/3)πr^2 (2r)

= (2/3)π r^3

dV/dt = 2πr^2 dr/dt

= 2π(1^2)((1)

= 2π m^3/min

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