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September 18, 2014

September 18, 2014

Posted by **daniel** on Saturday, November 17, 2012 at 12:00am.

- math -
**Henry**, Monday, November 19, 2012 at 3:01pm5x - 6y = -14.

W = m = -A/B = -5/-6 = 5/6 cm.

9x + 4y = 87.

L = m = -(4/-9) = 4/9 cm.

P = 2W + @L = 2*(5/6 + 2*(4/9)

P = 10/6 + 8/9 = 90/54 + 48/54

P = 138/54 = 2.56 cm.

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