Answer:
Step 2: 20x = 80 + 10x
Step-by-step explanation:
Step 1: 20x - 10 = 80 + 10x
Add 10 to each side
20x - 10+10 = 80+10 + 10x
20x = 90 + 10x
Step 2: 20x = 80 + 10x This has the first error
Step 3: 10x = 80
Step 4: x= 8
The answer is 456
This the answer 456
Answer: D
Step-by-step explanation:
The answer is 13/85. You could find out the answer by doing the reprical multiplication.
Answer:
9pi
Step-by-step explanation:
circumference is 2(pi)(r) or diameter(pi)
