Answer:
G. 477.75
Step-by-step explanation:
I would say letter C, sorry if I’m wrong but that is what I would say
The answer is -2.5. this is how you work it out.
21.4 + (-23.9) = -5/2 = -2.5
Answer:
x = 115°
Step-by-step explanation:
These angles are actually alternate exterior angles.
Alternate exterior angles are congruent.
Answer:
6 and -8
Step-by-step explanation:
Solve:
xy = 48
x + y = -2
You can say y = -2-x = -(x+2) and then substitute that in the first:
-x(x+2) = 48
-x² -2x - 48 = 0
x² + 2x + 48 = 0
Quadratic formula can do the rest if you don't "see" the factorization.