Question

Three balls are packaged in a cylindrical container as shown below. The balls just touch the top, bottom, and sides of the cylinder. The diameter of each ball is 13 cm.





a. What is the volume of the cylinder rounded to the nearest cubed centimeter?
b. What is the total volume of the three balls rounded to the nearest cubed centimeter ?
c. What percent of the volume of the container is occupied by the three balls?

Answer 1

Please show or tell how you did it

Answer 2

(a) 13 cm is the diameter of each ball. if the balls fit tightly in the container, the diameter of the container is 13cm. volume formula for a cylinder is pi r squared times diameter. solve for volume

Answer 3

6.5 times 3.14 times 13

Answer 4

265.33

Answer 5

?

Answer 6

@johnny999

Answer 7

yes

Answer 8

ok so is that a.

Answer 9

(b) volume of a sphere = 4/3 pi r cubed
solve that and multiply the answer by 3
that is the volume of all three balls

Answer 10

Can u right the numbers out for that one?

Answer 11

sure. 4/3 times 3.14 times 6.5 cubed

Answer 12

ok thanks

Answer 13

(c) now turn 265.33 over whatever your answer to that is into a percentage

Answer 14

b. 1,149.58?

Answer 15

@johnny999

Answer 16

and how do i find the percentage

Answer 17

divide answer to a by answer to b

Answer 18

?

Answer 19

265.33 divided by 1149.58

Answer 20

o ok and is that b

Answer 21

what?

Answer 22

is that the answer for b or c

Answer 23

c

Answer 24

4.332

Answer 25

and was i right for b

Answer 26

so 4.3 percent fo c

Answer 27

@johnny999

Answer 28

u there

Answer 29

or is c 23 percent