Answer:
2.
30-7x4 = 2
3.
80
Step-by-step explanation:
2.
First, do 7x4, which equals 28. Then subtract that from 30, and you get 2.
3.
Do the parentheses first, 21-6=15. Then 15 divided by 0.2 = 75. 75+5=80.
Sorry I couldn't help on any of the other ones, I don't have much time.
Answer:
the answer should be 2 but it could be wrong
Answer:
x = 3/a
Step-by-step explanation:
7 + 2ax = 13
2ax = 13 - 7
2ax = 6
ax = 6 / 2
ax = 3
x =<u> 3/a</u>
<u></u>
<u>Hope it helps!</u>
4x-30=2x+50
+30 +30
4x=2x+80
-2x -2x
2x=80
/2 /2
X=40
4(40)-30=130°
2(40)+50=130°
180-130=50°
Angle 7=50°
