if y varies directly as x , and y = 6 when x = 15, find y when x = 25 .k = ______y = ______

Question

if y varies directly as x , and y = 6 when x = 15, find y when x = 25
.k = ______y = ______

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Melody 3 weeks 2021-11-08T19:32:19+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-11-08T19:33:22+00:00

    3

    y varies inversely as x

    y = K / x , where K is any constant

    y = 15 when x = 5

    15 ( 5 ) = K = 75

    y = 75 / x

    When x = 25 ,  

    y = 75 / 25

    y = 3

    0
    2021-11-08T19:33:36+00:00

    At x = 25, y equals to 10.4.

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45:7+7-4:2-5:5*4+35:2 =? ( )