Htsimone Htsimone

19-07-2017
Mathematics

contestada

If y varies directly with x and y=100 when x=5, what is the value of k?

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Mollyskate Mollyskate

19-07-2017

When it says varies directly, it means that y and x are going to be on opposite sides of the equals sign and that there is a constant, k,

y=kx

Plug in (5,100)

100=k(5)

K=20

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