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20 June, 23:16

If y varies directly with X and y = 10 and X=4 write the direct linear variation equation.

A-y=10x

B-y=4x

C-y=5/2x

D-y=2/5x

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Answers (1)
  1. 20 June, 23:20
    0
    Y = kx (k being a constant)

    10 = k * 4 k=5/2

    y = 5x/2 The answer is C.
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