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avatar+107 

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 \((P,Q)\)

 Jun 25, 2020
 #1
avatar+12423 
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The ordered pair is (-3,-129)

laugh

 Jun 25, 2020
 #2
avatar+107 
-1

Thank you!

 Jun 25, 2020

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