X, Y and Z are three quantities such that X varies directly as the square of Y and inversely as the square root of Z. a)...

X, Y and Z are three quantities such that X varies directly as the square of Y and inversely as the square root of Z.

a) Given that X = 18 when Y = 3 and Z = 4, find X when Y = 6 and Z = 16.

b) If Y increases by 10% and Z decreases by 19%, find the percentage increase in X.

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a)


b)

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maurice.mutuku answered the question on August 26, 2019 at 12:41

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