Answer:
d.51
Step-by-step explanation:
Let the 3rd angle of the triangle be y. Then:
y+117=180
y=63
Then:
x=180-63-66
=51°
Answer:
7inches
Step-by-step explanation:
1x7
Answer:
x = -3
Step-by-step explanation:
12 -4x-5x = 39
Combine like terms
12 - 9x = 39
Subtract 12 from each side
12-9x-12 = 39-12
-9x = 27
Divide by -9
-9x/-9 = 27/-9
x = -3
I'll show you how I do it,hope you'll like it.
5:7, 5+7=12
5/12×48 =20
7/12×48=28
answer=
5:7
= 20:28
hope it helps.....
It is False.
Hope it helps!