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Mathematics 7 Online
OpenStudy (markkboyy):

if y varies directly as x and y =14 as x=7 find y for the x-value of 10

OpenStudy (markkboyy):

OpenStudy (shawn):

y varies directly as x means y = kx , where k is non-zero

OpenStudy (markkboyy):

y=14/7?

OpenStudy (shawn):

well that should be the value of k right?

OpenStudy (markkboyy):

14 ig

OpenStudy (shawn):

14 = k * 7, so k = 2 y = 2 * 10 = 20

OpenStudy (markkboyy):

ohh

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