nicolesoengas nicolesoengas

20-12-2016
Mathematics

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the lines described by y=(6a-6)x and y=1/5x are perpendicular. What is the value of a?

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thechaser thechaser

20-12-2016

because the slope in the second line is 1/5, that means the slope in the first one must be -5.
(6a-6)=-5
6a=-11
a=11/6

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