A trough whose cross section is an equilateral triangle is 6 m long and 2 m wide across the top. If the water is entering at 15 m3/min, at what rate is the water level rising when it is three-fourths full?

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Q: 2. please help, they canceled class due to virus can't contact teacher.

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A: let side of triangle = x    Given

Q: A trough is 14 ft long and its ends have the shape of isosceles triangles that are 5 ft across at…

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