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Kitten_is_back

  • one year ago

What is the density of the marble? A. 0.10 g/mL B. 240 g/mL C. 40 g/mL D. 1.875 g/mL https://static.k12.com/calms_media/media/1276000_1276500/1276025/2/fae996f06f5cef8f9c69da8214c75a88e894bf30/191325.jpg

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  1. Kitten_is_back
    • one year ago
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    @Phebe c

  2. Kitten_is_back
    • one year ago
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    @Ashleyisakitty

  3. Kitten_is_back
    • one year ago
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    @DARTHVADER2900

  4. Kitten_is_back
    • one year ago
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    @love10129151

  5. mathmate
    • one year ago
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    Hmm, it's not C. I wish people don't guess when they're trying to help. In any case, CoC says we don't give direct answers. Hint:First find the volume of the marble, then divide the mass by the volume just found to get the density in g/mL.

  6. Kitten_is_back
    • one year ago
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    http://prntscr.com/88f5u2

  7. Kitten_is_back
    • one year ago
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    http://prntscr.com/88f671

  8. mathmate
    • one year ago
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    Do you know the volume of the marble, by reading the difference in liquid levels of the graduated cylinder?

  9. Kitten_is_back
    • one year ago
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    40 and a hlaf

  10. mathmate
    • one year ago
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    Before immersing the marble, the left reads 40 mL. After the marble is dunked in, the right reads???

  11. Kitten_is_back
    • one year ago
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    almost 50

  12. mathmate
    • one year ago
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    Yes, I read 48 mL. there are 5 spaces between 40 and 50, so each graduation stands for 2 mL, so the volume of liquid AND marble is 48 mL. So from this, can you find the volume of the marble?

  13. Kitten_is_back
    • one year ago
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    so its 48 and 40?

  14. mathmate
    • one year ago
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    Yes, the difference gives the volume of the marble, since the level went up 8 mL after putting the marble in the liquid.

  15. Kitten_is_back
    • one year ago
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    oh okay

  16. mathmate
    • one year ago
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    Finally, you can find the mass density by dividing the mass by the volume. The answer is one of the four choices.

  17. Kitten_is_back
    • one year ago
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    1.2

  18. mathmate
    • one year ago
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    What is the mass of the marble, and what is the volume (which we found earlier)?

  19. Kitten_is_back
    • one year ago
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    15 and 8

  20. Kitten_is_back
    • one year ago
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    d

  21. Kitten_is_back
    • one year ago
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    THANKS :d

  22. mathmate
    • one year ago
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    Exactly! You're welcome!

  23. Kitten_is_back
    • one year ago
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    :)

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