(2x+5)=Inscribed Angle
50 = Arc Length
Inscribed Angle=1/2Arc Length
2x+5=1/2(50)
2x+5=25
2x=20
X=10
15 = 80% * x
15 = 80/100 * x
15 = 8/10 * x
x = 15 * 10/8
x = 150/8
x = 18.75
<span>80% of 18.75 is </span>15<span>.</span>
Step-by-step explanation:
(2c+c) + 12 =78
3c + 12 = 78
78 - 12 = 66
66 ÷ 3 = 22
22 + 22 + 22 + 12 = 78
{ C = 22 }
9.35
= 9.00 + 0.35
= 9 + 7/20
= 180/20 + 7/20
= 187/20