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Posted by **Mehak** on Sunday, March 13, 2011 at 1:11am.

- Calculus(answer needed immediatly,thanks) -
**MathMate**, Sunday, March 13, 2011 at 1:31pm1. Express r in terms of h:

r=3/8h

2. Express volume in terms of h:

V=(1/3)πr²h

=(1/3)π(3h/8)²h

=(3π/64)h³

dV/dh=(9π/64)h²

dV/dt=2 cm³s^{-1}

dh/dt

=(dV/dt)/(dV/dh)

=2*64/(9πh²)

=128/(9πh²)

=0.1257 cm-s^{-1}

- Calculus(answer needed immediatly,thanks) -
**Mehak**, Sunday, March 13, 2011 at 1:38pmthank you .

- Calculus :) -
**MathMate**, Sunday, March 13, 2011 at 1:59pm:)

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