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== mathematics ==

a) A spherical snowball is melting in such a way that its volume is decreasing at a rate of 1cm3/min. At what rate is the diameter decreasing when the diameter is 10cm?.

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mathematics

a) A spherical snowball is melting in such a way that its volume is decreasing at a rate of 1cm3/min. At what rate is the diameter decreasing when the diameter is 10cm?.