Variable, because its a letter<span />
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➷ Adjacent angles total to 180 degrees
15x + 1 + 13x + 3 + 64 = 180
28x + 68 = 180
Subtract 68 from both sides:
18x = 112
Divide both sides by 28:
x = 4
Substitute this value back in:
15(4) + 1 = 61
Angle VTS = 61 degrees
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First solve for g(1)
Plug in 1 for the equation g(x)
g(1) = -(1) + 4
g(1) = 3
Now plug 3 in for f(x)
f(3) = 3(3)^2 + 4(3) + 1
f(3) = 3(9) + 12 + 1
f(3) = 27 + 12 + 1
f(3) = 40
Solution: f(g(1)) = 40
I am putting this into rows. Ex: row one has 0. row two has blank and seven.
1: 0
2: 9 7
3: - 9 6
4: 1 3
5: - 1 2
6: 1
So the answer on top would be 8 1 r 1.