Answer:
21/2
Step-by-step explanation:
10.5 is correct, but that's a decimal
21/2=10.5
3.2 is the answer.
If you want to learn the steps to the process
just copy and paste this "how to find the radius of a circle with an area."
Look at the attached picture
Hope it will help you
Good luck on your assignment
Have a great day...
Answer:
and 
Step-by-step explanation:
We have the following system of equations:
and 
To solve the problem, we need to equal the two equations:
⇒
⇒
⇒
So you need to find two numbers that added equal to 5 and multiplied equal to 4. These two numbers are
and
.
Then, the factorized form of the polynomial is:
.
The, the solution to the system of equations is:
and
.