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OpenStudy (anonymous):
Write an appropriate direct variation equation if y = 27 when x = 9
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hartnn (hartnn):
since its direct variation, u can write y=kx now put y=27,x=9 and find k....
OpenStudy (anonymous):
so 27=k(9) ?
hartnn (hartnn):
yup, so whats k ? k= 27/9 = ??
OpenStudy (anonymous):
3?
hartnn (hartnn):
yup, so the equation would be y=3x got it?
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OpenStudy (anonymous):
yess! thhank you! :)
hartnn (hartnn):
welcome :)
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