Answer:
-10
Step-by-step explanation:
8 - 2x^2 =
= 8 - 2(-3)^2
= 8 - 2(9)
= 8 - 18
= -10
Answer: Use the second one: 18 - x = 6
Answer:
b. 50
Step-by-step explanation:
The sum of the interior angles of a quadrilateral is 360°, so the missing angle is ...
360° - 110° -40° -80° = 130°
The angle x° is the supplement to this, so is ...
180° -130° = x° = 50°
The value of x is 50.
Answer:
3
Step-by-step explanation:
4^6×12=4^10×
6×12=10×
6×-10×= -12
-4×=-12
x=3
Answer:
No it is not correct.
Step-by-step explanation:
9.009-0.01=8.999