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Questions (2)
A spherical balloon is being inflated and its radius is changing at the rate of 2m/minute. When the radius is 4m, find the rate
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a cube is expanding and its volume is increasing at the rate 96 cubic centimetres/second when the side is 4 cm.Find the rate at
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Answers (1)
A spherical balloon is being inflated and its radius is changing at the rate of 2m/minute. When the radius is 4m, find the rate at which the: (a).volume is increasing V= 3/4 pie r^2 (b). surface area is increasing A = 4 pie r^2
