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avatar+161 

Let X,Y, and Z be points such that \(\frac{XZ}{XY} = \frac{ZY}{XY} = \frac{1}{2}.\)If \(Y = (1, 7) \)\(Z = (-1, -7)\), then what is the sum of the coordinates of X?

 Aug 6, 2020
 #1
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The sum of the coordinates is 3 + 8 = 11.

 Aug 14, 2020
 #2
avatar+111172 
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-3-21 = -24

 Aug 15, 2020

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