Ilovedavid123456 Ilovedavid123456

17-02-2014
Mathematics

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Can someone help me plz I'm confused

Can someone help me plz Im confused class=

Respuesta :

crisforp crisforp

17-02-2014

9.

2x+3+x+9 = 180 => 3x = 168 => x = 56;
m(<ABD) = 2*56 + 3 = 115.

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