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anonymous

  • 5 years ago

A chemical-storage tank is a cylinder with a hemisphere cap on each end. If the height of the cylindrical portion is 16.2 ft and the radius of the cylinder and hemispheres is 2.8 ft, how many cubic feet of a chemical will the tank hold.

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  1. anonymous
    • 5 years ago
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  2. mathteacher1729
    • 5 years ago
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    I think for your class you might want to print out this little cheat sheet: http://math2.org/math/geometry/areasvols.htm :)

  3. anonymous
    • 5 years ago
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    Neat... thanks... its just starting the problem sometimes

  4. mathteacher1729
    • 5 years ago
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    "Always look for the question mark." That sentence usually tells you what you're looking for. Is it area, is it volume, etc? Once you know that, then you can use the appropriate formulas to find ...area or volume, etc.

  5. anonymous
    • 5 years ago
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    Volume... ?? but im not sure what to subtract with the top on it

  6. anonymous
    • 5 years ago
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    volume is to fill right?

  7. amistre64
    • 5 years ago
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    Vcyl + Vhemi = Vtotal but your pic has a cone and not a halfsphere?

  8. amistre64
    • 5 years ago
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    in fact your q and your pic dont match at all lol

  9. radar
    • 5 years ago
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    I would solved for the cylinder volume first. Since you will have the hemishphere on each end, calculate for the a sphere of the given radius. I got 399 cubic feet for the cylinder portion, and 91.595232 cubic feet for the ends giving a total cubic feet of 490.95

  10. anonymous
    • 5 years ago
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    ha ignore the picture... that went to a different problem... how embarrassing... good catch!!

  11. anonymous
    • 5 years ago
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    Danger... thats good math skills right there Amistre.. LOL

  12. amistre64
    • 5 years ago
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    Vcyl = (16.2) pi (2.8)^2 Vsph = (4/3) pi (2.8)^3

  13. anonymous
    • 5 years ago
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    yes

  14. amistre64
    • 5 years ago
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    490.960....

  15. anonymous
    • 5 years ago
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    kk... I have to do it the slow way... I'll check ...

  16. amistre64
    • 5 years ago
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    :) thats fine

  17. anonymous
    • 5 years ago
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    yes I got by adding the two answers 490.95971 is that the cubic feet that will fill the tank... or more steps involved... LOL

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