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tayluvsya Group Title

help plez

  • one year ago
  • one year ago

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  1. tayluvsya Group Title
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    • one year ago
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  2. ZeHanz Group Title
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    You are probably aware of the formula to calculate the volume of a sphere with radius r:\[V=\frac{ 4 }{ 3 }\pi r^3\]so you only need to convert the diameter (28 cm) to the radius, and put that value into the formula...

    • one year ago
  3. tayluvsya Group Title
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    thnks @ZeHanz

    • one year ago
  4. ZeHanz Group Title
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    YW! ;)

    • one year ago
  5. tayluvsya Group Title
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    i still didnt get it right i need the answer plez

    • one year ago
  6. tayluvsya Group Title
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    its soooooooo confusing

    • one year ago
  7. AravindG Group Title
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    can u show ur working ? let me see where are u getting stuck

    • one year ago
  8. tayluvsya Group Title
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    i dont get it at all

    • one year ago
  9. AravindG Group Title
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    just do what zehanz said above :)

    • one year ago
  10. AravindG Group Title
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    just use the formula !

    • one year ago
  11. tayluvsya Group Title
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    i dont get it

    • one year ago
  12. AravindG Group Title
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    what value did u get for r ?

    • one year ago
  13. lilcici Group Title
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    28

    • one year ago
  14. ZeHanz Group Title
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    No, 28 is the diameter :(

    • one year ago
  15. lilcici Group Title
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    so 24

    • one year ago
  16. lilcici Group Title
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    \[V=\frac{ 4 }{ 3 } \pi 24^{3}\]

    • one year ago
  17. ZeHanz Group Title
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    In a circle, the radius is half the diameter, so if the diameter is 28, the radius is 14. If you want to solve problems such as the above, this knowledge is rather essential, I'm afraid...

    • one year ago
  18. lilcici Group Title
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    im srry just tired forgot to half my problem thnks for correcting me

    • one year ago
  19. ZeHanz Group Title
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    yw!

    • one year ago
  20. lilcici Group Title
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    \[V=\frac{ 4 }{ 3 } \pi 14^{3}=11494.04032\]

    • one year ago
  21. ZeHanz Group Title
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    Right! So if you round to the nearest 500, you'll have the answer option of the original problem.

    • one year ago
  22. lilcici Group Title
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    thnks again

    • one year ago
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