Recall the Pythagorean identity,

So we have



But squaring any real number always gives a non-negative number, so there are no real solutions to this equation.
Answer:
82°
Step-by-step explanation:
(8x-7)=(x+16)
x+16+x=180
2x+16=180
2x=180-16
2x=164
2x/2=164/2
x=82°
Answer:
$86.94
Step-by-step explanation:
A = 600(1 + .07)²
I = 686.94
1.6
All you have to do is divid 3 by 5 and that gets you the value behind the decimal point