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Mathematics 20 Online
OpenStudy (anonymous):

Write the direct variation of the equation if y varies directly with x and y = 45 when x = 9. A. y = 5x B. y = 1/5 x C. y = -5x D. y = -1/5 x

OpenStudy (the_fizicx99):

Same as before y = kx Can you solve

OpenStudy (anonymous):

Is it a ?

OpenStudy (anonymous):

okay

OpenStudy (the_fizicx99):

y = kx 45 = 9k /9 /9 k = 5

OpenStudy (anonymous):

so the answer is a?

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