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OpenStudy (anonymous):
Suppose that y varies directly as x, and y = 21 when x = 9. What is the value of y when x = –6?
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OpenStudy (lgbasallote):
direct variation so y = kx when y = 21 x = 9 21 = 9k k = 21/9 what is y when x = -6 y = kx y = (21/9)(-6) can you do this now?
OpenStudy (anonymous):
no
OpenStudy (lgbasallote):
you just have to use a calculator o.O
OpenStudy (lgbasallote):
you know how to use a calculator right?
OpenStudy (anonymous):
just tell me if y = -14
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OpenStudy (lgbasallote):
it is
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