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A cube of ice is melting |
2011-12-05 |
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Emily pose la question :
a cube of ice (i.e.) each side is of the same length) is melting at a rate such that the length of each side is decreasing at a rate of 5cm per hour. how fast is the volume of the cube decreasing (in cubic cm per hour) at the instant the length of each side is 25cm?
Penny Nom lui répond. |
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