The circle's center is located at (5, -4)
Source
http://www.1728.org/circle.htm
<span>a.10.2
p/q x 15.3 = 10.2</span>
4x + 20 = - 71 - ( 3x )
4x + 20 = - 3x - 71
Subtract sides minus 20
4x + 20 - 20 = - 3x - 71 - 20
4x = - 3x - 91
Add sides 3x
4x + 3x = - 3x + 3x - 91
7x = - 91
Divide sides by 7
7x / 7 = - 91 / 7
Simplification
x = - 13
Thus the number is ( - 13 ) .
Answer:
700-100=600
Step-by-step explanation:
600