FY varies directly as X andY is 48 when X is six which expression can be used to find x is 2

Question

FY varies directly as X andY is 48 when X is six which expression can be used to find x is 2

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Ivy 2 months 2021-09-08T20:47:33+00:00 1 Answer 0

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    2021-09-08T20:49:00+00:00

    Answer:

    y = 16

    Step-by-step explanation:

    Given that y varies directly as x then the equation relating them is

    y = kx ← k is the constant of variation

    To find k use the condition y = 48 when x = 6, thus

    k = \frac{y}{x} = \frac{48}{6} = 8

    y = 8x ← equation of variation

    When x = 2, then

    y = 8 × 2 = 16

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