Step-by-step explanation:
2a+26°+58°=180°
2a=180-26-58
2a=96
a=48
2*48+26=122
A) 500
b) 750
c) 500
d) 12500
e) 30000
f) 600
Answer:
x=8
Step-by-step explanation:
(2x + 1)² = x² + (2x - 1)² = x² + (2x - 1)(2x - 1)
(2x + 1)(2x + 1) = x² + 4x²-2x-2x+1
4x²+2x+2x+1 = 5x²-4x+1
4x²+4x+1 = 5x²-4x+1
0= 5x²-4x²-4x-4x+1-1
0= x²-8x
x²-8x=0
x²=8x
x=8
The answer is 36 if I am not mistaken