Question: A trough has ends shaped like isosceles triangles, with width 6 m and height 7 m, and the trough is 12 m long. Water is

    • A trough has ends shaped like isosceles triangles, with width 6 m and height 7 m, and the trough is 12 m long. Water is being pumped into the trough at a rate of 4 m3/min. At what rate (in m/min) does the height of the water change when the water is 1 m deep? 

 

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