chocolatepancak chocolatepancak

10-04-2017
Mathematics

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Suppose y varies directly with x and y = 72 when x = 6. What direct variation equation relates x and y? What is the value of y when x = 10?

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ivanzud ivanzud

10-04-2017

I guess the slope is y/x=72/6=12. SO when x=10 y=12(10)=120.

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apologiabiology apologiabiology

10-04-2017

y=kx is direct varaitoin
72=6k
divide both sides by 6
12=k

y=12x is the equation

when x=10
y=12(10)
y=120

equation is y=12x
when x=10, y=120

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