Answer:
x=3
Step-by-step explanation:
cross multiply
12.5*2=30
10*x=10x
10x=30
/10
x=3
X, 2x, and (x+2x)=3x
6x=180
x=30
30, 60, 90 triangle.
3.7 units
7.4 divided by 2 ((radius is half of a diameter))
Answer:
5x + 11
Explanation:
3(x + 7) + 2x − 10
<u>Distribute</u>
(3)(x) + (3)(7) + 2x − 10
3x + 21 + 2x − 10
<u>Combine Like Terms</u>
3x + 21 + 2x − 10
(3x + 2x) + (21 − 10)
= 5x + 11
Ok so from my perspective