Answer:
The circumference is 98.39 centimeters (rounded to 2 decimal places)
Step-by-step explanation:
The area of a circle has the formula 
The circumference of a circle has the formula 
First, let's find r from area given:

Now, we can use this value of r and plug in into the formula for circumference. Shown below:

The circumference is 98.39 centimeters (rounded to 2 decimal places)
Answer: Step 1: Multiply each term in the first binomial with each term in the second binomial using the FOIL method as shown Step 2: Combine like terms.
Step-by-step explanation:
Answer:
x=
or 15x=-13
Step-by-step explanation:
20x+17=35x+30
20x-35x=30-17
-15x=13
x=
Answer:
9xn =9n
Step-by-step explanation: