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December 20, 2014

December 20, 2014

Posted by **jamie** on Thursday, April 22, 2010 at 6:48pm.

- math -
**Reiny**, Thursday, April 22, 2010 at 7:22pmd^2-144=0

(d+12)(d-12) = 0

d = -12 or d - +12

or

d^2 = 144

d = ± √144

d = ± 12

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