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January 30, 2015

January 30, 2015

Posted by **Anonymous** on Tuesday, March 5, 2013 at 1:44pm.

- math, calculus -
**Steve**, Tuesday, March 5, 2013 at 2:51pmthe volume of water when y=k is

∫[0,k] πx^2 dy

= ∫[0,k] πy dy

= π/2 k^2

So, at depth y,

v = π/2 y^2

when v=8π, y=4

dv/dt = πy dy/dt

2π = π(4) dy/dt

dy/dt = 1/2

You sure you want ab, and not a/b?

a+b = 1+2 = 3

- math, calculus -
**Anonymous**, Tuesday, March 5, 2013 at 4:36pmYes sorry, it's a/b.

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