Answer:
see explanation
Step-by-step explanation:
The surface area (A) of a sphere is calculated as
A = 4πr² ← r is the radius, here r = 9, thus
A = 4π × 9² = 4π × 81 = 324π ≈ 1017.9 units²
Answer:
1 mile.
Step-by-step explanation:
3/3 mile is equal to 1 mile.
Don’t click the link it’s a scam
Answer:
81 boys
Step-by-step explanation:
There are two ways to figure this out. Both ways are correct.
1. Fractions
9/7=x/63
from here you cross multiply
7x=9×63
7x=567
now to get x by itself you divide by 7
x=567÷7
x=81
2. If you have 63 girls and 7 girls to each group. You can divide 63 by 7 and find out how many groups you have which is 9. 9 groups, 7 girls each. For every 7 girls there are 9 boys. 9×9 ( 9 groups, 9 boys each)
9×9=81
Answer:
(12 + 22 - 6) - 14 - 22 = ?
Step-by-step explanation:
Since it's in parenthesis, you must do 12 + 22 - 6 first. that will get you to:
28
now that you have found that answer, you can do the rest like this:
28 - 14 - 22
once you do that, you will have a finishing answer of:
-8
