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whipcream<3

  • 2 years ago

Jake has two similar cylindrical pipes. The radius of the first cylindrical pipe is 5 cm. The circumference of the second cylindrical pipe is 20π cm. The volume of the second cylindrical pipe is how many times greater than the volume of the first cylindrical pipe? A) 8 B) 5 C)3 D)4

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  1. ChmE
    • 2 years ago
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    C = 2 pi r 20 pi = 2 pi r 10 = r of 2nd pipe V = pi r^2 h V = pi 100 h and V = pi 25 h If the heights are the same. How many times greater in pipe 2?

  2. whipcream<3
    • 2 years ago
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    ok can you explain me better :(

  3. Aperogalics
    • 2 years ago
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    @whipcream<3 let me help you do you know the volume of cylinder?????

  4. whipcream<3
    • 2 years ago
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    mhmmm no? im lost sorry o.o

  5. Aperogalics
    • 2 years ago
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    voume of any regular body is base* area now what about base here..........means what type of figure it is square circle.???

  6. Aperogalics
    • 2 years ago
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    @whipcream<3 ???????

  7. whipcream<3
    • 2 years ago
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    ok im getting there?

  8. whipcream<3
    • 2 years ago
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    I know what is the formula of the circumference of the cylindrical pipe is C=2 x pi x radius

  9. whipcream<3
    • 2 years ago
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    so the radius of the 2nd cylindrical pipe is? 10?

  10. Aperogalics
    • 2 years ago
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    @whipcream<3 yup:) so volume is=2x pi x radius x height volume of first cylinder=2 x pi x 5cm x height yes radius is 10:)

  11. hba
    • 2 years ago
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    http://openstudy.com/study#/updates/4fd62985e4b04bec7f1734d6

  12. whipcream<3
    • 2 years ago
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    this is the formula for the 2 _similar_ cylindrical pipes V = pi x r^2 x h?

  13. Aperogalics
    • 2 years ago
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    yup i m sry i just wrote it wrong:(

  14. whipcream<3
    • 2 years ago
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    its ok :)

  15. whipcream<3
    • 2 years ago
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    so now?

  16. Aperogalics
    • 2 years ago
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    now u got what ChmE has written?????????

  17. whipcream<3
    • 2 years ago
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    yes ^.^

  18. hba
    • 2 years ago
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    The link i gave is pretty helpful @whipcream<3

  19. whipcream<3
    • 2 years ago
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    oh yeah thank you @hba but im trying to learn it .

  20. Aperogalics
    • 2 years ago
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    byeeeeeeeeeeeeeeeeeeeeeeee:)

  21. whipcream<3
    • 2 years ago
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    Yes. So would the answer be 4?

  22. Aperogalics
    • 2 years ago
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    yup:)

  23. whipcream<3
    • 2 years ago
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    thanks!;)

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