haleytiedtke
haleytiedtke
21-09-2017
Mathematics
contestada
how do you do number 10?
Respuesta :
AnimeBrainly
AnimeBrainly
21-09-2017
(3x +4) + (6x + 5) = 90*
*note that complementary = 90, supplementary = 180
9x + 9 = 90
9x = 90 - 9
9x/9 = 81/9
x = 9
hope this helps
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