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douglas12
 2 years ago
y varies directly as to x. when
x = 1.5 y = 9. Find y when x = 6
douglas12
 2 years ago
y varies directly as to x. when x = 1.5 y = 9. Find y when x = 6

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jdoe0001
 2 years ago
Best ResponseYou've already chosen the best response.0http://openstudy.com/study#/updates/51eae087e4b0d999840f0ed6

jdoe0001
 2 years ago
Best ResponseYou've already chosen the best response.0direct variaion y = \(\bf k\)x what's "k"? well, when x = 3/2, y = 9, thus 9 = \(\bf k\)(3/2) solve for "k" to see what "k" is

jdoe0001
 2 years ago
Best ResponseYou've already chosen the best response.0hmmm, let's see 9 = k(3/2) what would that give you cross multiplying?

jdoe0001
 2 years ago
Best ResponseYou've already chosen the best response.0\(\bf 9 =k \times \cfrac{3}{2} \implies 9 = \cfrac{3k}{2}\) try cross multiplying :)
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