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Quandaries & Queries
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 Topic: reservoir
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 A reservoir has the shape of an inverted cone 2011-10-03 From Roger: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?Answered by Penny Nom. Small pipes and large pipes 2006-05-09 From geece:A large fresh water reservoir has two types of drainage system. Small pipes and large pipes. 6 large pipes, on their own, can drain the reservoir in 12 hours. 3 large pipes and 9 small pipes, at the same time, can drain the reservoir in 8 hours. How long will 5 small pipes, on their own, take to drain the reservoir?Answered by Penny Nom. Le réservoir 2009-04-09 From Myrianne:Le réservoir d'essence d'une petite voiture peut contenir 50 litres. En sachant que 1 dm3 équivaut à litre, donne les dimensions de deux prismes différents représentant ce réservoir.Answered by Claude Tardif.

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