exam Maths Puzzle Numerical Ability

If y is directly proportional to x and inversely proportional to the square of z, and if y=0.384 when x=6 and z=5, find the constant of variation.

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exam Other Question

Solve by completing the square. Show your steps: 2x^2 - 3x + 5 = 0 Calculate the perimeter of a figure if one side is 4.5ft,another side is 1.7ft., another side is 1.5ft., another side is 8.8ft, another side is 1.9ft., and the last side is 2.2ft.

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