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Mathematics 15 Online
OpenStudy (anonymous):

Suppose y varies directly with x and y=72when x=6 . What direct variation equation relates x and y? What is the value of y when x=10 A. y=1/12x; 120 B. y=12x; 120 C. y=6x; 62 D. y=1/6x; 43.2

OpenStudy (anonymous):

answer is B

OpenStudy (anonymous):

use y=kx 72=6k k=12 so yes the answer is b. Just wanted to show you how

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