If z is directly proportional to the product of x and y and if z is 10 when x is 4 and y is 5, then x, y, and z are related by the equation z =

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A: This question is related to diffential equation.

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Q: Suppose that z varies jointly with the cube of x and the square of y. Find the constant of…

A: Here, give that z varies jointly with a cube of x and the square of y. That is: z=kx3y2...(1)

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A: Option (c) is correct. See the attachment. Send your feedback please.

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