If the surface area of a sphere is 484π, what is the radius?
2 answers:
Answer:
It would be 11.
Step-by-step explanation:
The equation for the surface area of a sphere is 4πr^2, so lets reduce the answer to get the value of r, the radius.
484π = 4πr^2
Divide by π
484 = 4r^2
Divide by 4
121 = r^2
Lastly, square root each side
11 = r
r is 11.
Answer:
6.21 is the radius I believe
Step-by-step explanation:
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You know what its probably 7.44
20x+30y= c(total cost of money)
Part B: 20(10)+5(30)
200+150=$350
1.= 6,391
2.=6,3910
3. = 6,39100
All you do is add the 0s at the end
Total of area of faces so (20*6+20*4+4*6)*2=448 cm ^2
7(4)-9(130)
28-1170
answer: -942
