Answer:
Step-by-step explanation:
All the angels of a triangle always add up to 180
(2x-15)+(x+43)+x = 180
Multiple the numbers inside the parentheses first
-30x+43x+x = 180
Add common terms
14x = 180
Divide by 14 to get the variable by itself
x ≈ 12.86
Answer:
0.04
Step-by-step explanation:
1680=1500+1500x3xr
1680-1500=1500x3xr
r=180/4500
r=0.04
Answer:
11
Step-by-step explanation:
246 divide by 22