Answer:
10
Step-by-step explanation:
radius is the middle point of a circle, therefore divide it in half.
Answer:
31
Step-by-step explanation:
I can't explain any further......
To factor first multily 100 and 1 and get 100
then find what 2 numbers multiply to get 100 and add to get 20
the numbers are 10 and 10
so
split the center term up
100x^2+10x+10x+1
group
(100x^2+10x)+(10x+1)
undistribute
(10x)(10x+1)+(1)(10x+1)
undistribute/reverse distributive property
(10x+1)(10x+1)
(10x+1)^2
Answer: 7c=91
Step-by-step explanation: Product means multiplication so Carlos' height- "c" times 7 equals 91.