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OpenStudy (anonymous):
which equation's graph is perpendicular to the graph of y=2.5x+4? a=2.5x b=0.4x c=-0.4x d=-2.5x
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OpenStudy (anonymous):
d
OpenStudy (amistre64):
2.5(-2.5) !=! -1
OpenStudy (amistre64):
c is your best shot by a glance
OpenStudy (amistre64):
2.5(-.4) = -1
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