Answer is 9
Step by step explanation
As CB is radius CB=3, CA=3+7=10
X^2=(7+3)^2-3^2=100-9=81
X=9
Answer:
2 1/5
Step-by-step explanation:
First you make both fractions into 5 becomes 25/5. 2 4/5 becomes 14/5. Then you would just subtract 25/5 - 14/5 = 11/5 then make it a mixed number 2 1/5.
We need 80 liters of 45% alcohol
We have 30% alcohol and 60% alcohol.
This is relatively easy. We need equal amounts of each.
There fore we mix 40 liters of 30% alcohol and 40 liters of 60% alcohol.
Answer: 299x^2 I think I hope we help you
