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Un article trouvé pour ce sujet.
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A reservoir has the shape of an inverted cone |
2011-10-03 |
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Roger pose la question :
a reservoir has the shape of an inverted cone whose cross section is an equilateral triangle. if water is being pumped out of the reservoir at a rate of 2m^3/sec, at what rate is the depth of the water changing when the depth is 40 meters?
Penny Nom lui répond. |
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