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anonymous

  • 5 years ago

A king-size waterbed mattress measures 5.5 feet by 6.5 feet by 8 inches deep. To the nearest pound, how much does the water in this waterbed weigh?

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  1. anonymous
    • 5 years ago
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    also the answer is volume

  2. anonymous
    • 5 years ago
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    So you just want to find the volume of the mattress?

  3. anonymous
    • 5 years ago
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    yep

  4. anonymous
    • 5 years ago
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    To find the volume just multiply all the numbers together

  5. anonymous
    • 5 years ago
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    5.5 * 6.5 * 8

  6. anonymous
    • 5 years ago
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    = 286

  7. anonymous
    • 5 years ago
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    But the 5.5 and 6.5 are in feet....

  8. anonymous
    • 5 years ago
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    but it also about 63lb

  9. anonymous
    • 5 years ago
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    So wouldn't you need to transfer the feet to inches?

  10. anonymous
    • 5 years ago
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    it up to you

  11. anonymous
    • 5 years ago
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    yeah sorry

  12. anonymous
    • 5 years ago
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    You can't find the weight. Weight is in units of gm/s^2 while all you are given is 1/ m^3

  13. anonymous
    • 5 years ago
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    You need to turn the 8 into ft and then multiply 8/12 = 2/3 so 5.5 x 6.5 x 2/3

  14. anonymous
    • 5 years ago
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    so i got 23.83333333

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