<span>137.5 because first you divide 110 by 80 and then mupilty the answer by 100
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7x^2 - 7 = 0
7(x^2 - 1) = 0
7(x + 1)(x - 1) = 0
x = 1; x = -1
Answer:
70
Step-by-step explanation:
The angle is equal to the degree of the arc, so the angle, 2x, is equal to 140°.
140 = 2x
140/2 = x
70 = x
x is equal to 70.
