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Let P and Q be constants. The graphs of the lines x+5y=7 and 15x+Py=Q are perpendicular and intersect at the point (-8,3) Enter the ordered pair (P,Q).

 May 5, 2020
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See here - "https://web2.0calc.com/questions/pls-pls-help"

 May 5, 2020

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