Answer:
D. Substitution
Step-by-step explanation:
I don't know how to explain it other than that they substituted the 50° angle into the original equation.
<h3>
Answer:</h3>
>
<h3>
Step-by-step explanation:</h3>
4 × 102 ___ 9 × 10
408 ___ 90
4 × 102 <u> </u><u> </u><u> </u><u>></u><u> </u><u> </u><u> </u> 9 × 10
Answer:
E. x² + 11x - 42 = 0
Step-by-step explanation:
let the square sides be x
A = bh = (x + 3 + 3)(x + 2 + 3) = 72
(x + 6)(x + 5) = 72
x² + 11x + 30 = 72
x² + 11x - 42 = 0
Answer:
It means the system does not have a solution
Step-by-step explanation:
