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soty2013
Group Title
The volume of a cube is increasing at a rate of 9 cubic centimetres per
second. How fast is the surface area increasing when the length of an edge is 10
centimetres ?
 one year ago
 one year ago
soty2013 Group Title
The volume of a cube is increasing at a rate of 9 cubic centimetres per second. How fast is the surface area increasing when the length of an edge is 10 centimetres ?
 one year ago
 one year ago

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soty2013 Group TitleBest ResponseYou've already chosen the best response.0
@bobbobbob
 one year ago

Yahoo! Group TitleBest ResponseYou've already chosen the best response.1
V (cube) = a^3 d v / dt = 3 a^2 d a/ dt
 one year ago

Yahoo! Group TitleBest ResponseYou've already chosen the best response.1
9 = 3 a^2 d a /dt 3/ a^2 = d a/ dt S = 6 a^2 d s/ dt = 6 * 2 a da / dt
 one year ago

Yahoo! Group TitleBest ResponseYou've already chosen the best response.1
a = 10.... just sunstistute and find the answer
 one year ago

soty2013 Group TitleBest ResponseYou've already chosen the best response.0
Thanks :) @Yahoo!
 one year ago

Yahoo! Group TitleBest ResponseYou've already chosen the best response.1
Welcome..:)
 one year ago
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