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crystal1

  • 2 years ago

A rectangular prism is truncated removing 10% of its height. The original height of the prism was 100 meters and it has a length of 4 meters and a width of 20 meters. What is the volume of the truncated prism? 800 m3 4,200 m3 3,800 m3 7,200 m3

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  1. sasogeek
    • 2 years ago
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    well what is 10% of 100 meters? if you know that, take that from 100 meters and then use the result to calculate the volume :) you have all the other values needed ;)

  2. sasogeek
    • 2 years ago
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    got it?

  3. crystal1
    • 2 years ago
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    nop

  4. sasogeek
    • 2 years ago
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    ok so let's do this step by step :) 10% of 100 = \(\large \frac{10}{100} * 100 = ? \) what's the answer?

  5. crystal1
    • 2 years ago
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    let me see

  6. sasogeek
    • 2 years ago
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    are u there?

  7. crystal1
    • 2 years ago
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    yes

  8. crystal1
    • 2 years ago
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    my answer is b

  9. sasogeek
    • 2 years ago
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    well unfortunately not :) i'll help you out here :)

  10. sasogeek
    • 2 years ago
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    original height = 100 removed height = 10% x 100 the new height = original height - removed height |dw:1345839694695:dw|

  11. sasogeek
    • 2 years ago
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    now you have the new height, you have the width, you have the length. volume = height * width * length put in the values and tell me what you get :)

  12. crystal1
    • 2 years ago
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    thanks

  13. crystal1
    • 2 years ago
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    90000

  14. sasogeek
    • 2 years ago
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    nooo lol :P

  15. sasogeek
    • 2 years ago
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    height x width x length 90 x 4 x 20 = ?

  16. crystal1
    • 2 years ago
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    got it thansk

  17. sasogeek
    • 2 years ago
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    what was ur answer?

  18. crystal1
    • 2 years ago
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    c

  19. sasogeek
    • 2 years ago
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    nope

  20. crystal1
    • 2 years ago
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    i cant im stupid

  21. sasogeek
    • 2 years ago
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    |dw:1345840608495:dw|

  22. sasogeek
    • 2 years ago
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    ugh!, well u get it ;) do u?

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