Answer:
48.00
Step-by-step explanation:
(3x - 10) + 45 + (2x + 10) = 180 (the sum of the angles is 180)
3x - 10 + 45 + 2x + 10 = 180
3x + 2x = 180 + 10 - 45 -10
5x = 135
x = 27
3(27) - 10 = 71 (first angle)
2(27) + 10 = 64 (second)
45 (third)
71 + 64 + 45 = 180
Answer:
30=-4x+12
Step-by-step explanation:
they both equal -9/2
herp derp herp derp herp derp
It is 9 because when you add that it gets you up to 9 as your answer