Answer: i don,t know sorry but i wish you the best of luck
Step-by-step explanation:
You need to do the distributive property first so the answer is C
Answer:
To solve your equation using the Equation Solver, type in your equation like x+4=5. The solver will then show you the steps to help you learn how to solve it on your own.
Step-by-step explanation:
Answer:
D. 14
Step-by-step explanation:
a^2+b^2=square of c
a^2+x^2=50
5x + 20 = 90 - a = 90 - (3x + 40)
5x + 20 = 90 - 3x - 40 = 50 - 3x
5x + 3x = 50 - 20
8x = 30
x = 30/8 = 15/4
b = 3(15/4) + 40 = 45/4 + 40 = 51.25
The measure of a supplementary angle is 180 - 51.25 = 128.75
