jenniferpurpleoy585j jenniferpurpleoy585j

21-10-2017
Mathematics

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Assume that the radius r of a sphere is expanding at a rate of 50 cm/min. Determine the rate of change in surface area at t = 2 min, assuming that r = 20 at t = 0

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marilynmontano marilynmontano

21-10-2017

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