Answer:48.6
we know that
You can paint 75 square feet of a surface every 45 minutes
so
using proportion
Find out how long it takes you to paint a surface area of 81 square feet
45(81)/75=48.6
hope this helped and I hope you get a correct answer :D
Answer:
a(-1)^(n-1).
Step-by-step explanation:
This is a Geometric Sequence with common ratio r = -1.
The general term is a(-1)^(n-1).
For 20% out of 100% it would be 1/5 as you need 5 20s for 100
Answer: He has enough
Step-by-step explanation:120-107.40=12.60
I think you would just have to find the square roots