Answer:
x = -5, 5
Step-by-step explanation:
-x^2-8=-33
Add 8 to each side
-x^2-8+8=-33+8
-x^2 = -25
Divide each side by -1
x^2 = 25
Take the square root of each side
sqrt(x^2) = ±sqrt(25)
x = ±5
Answer:
16
Step-by-step explanation:
12 - 3 = 9
9 + 7 = 16
Answer:
The sum of all the angles of an isoceles triangle is 180°
So it's 50° + 2x° = 180°
50 + 2x = 180
2x = 180 - 50
2x = 130
x = 130/2
x = 65
Answer:
about 154.3
Step-by-step explanation: