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bakonloverk

  • 3 years ago

can some one plz explain how 2 solve proportion plz?

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  1. AriPotta
    • 3 years ago
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    can you tell me the question you're on? and i'll explain while we work it out :)

  2. bakonloverk
    • 3 years ago
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    well i dont have a question tht uses proportions yet but i just need 2 know how 2 solve them

  3. AriPotta
    • 3 years ago
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    you should be using cross multiplication to solve them

  4. bakonloverk
    • 3 years ago
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    example plz

  5. AriPotta
    • 3 years ago
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    lol i need an example problem

  6. bakonloverk
    • 3 years ago
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    here hold on

  7. AriPotta
    • 3 years ago
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    mmk

  8. bakonloverk
    • 3 years ago
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    Hadria bought a storage trunk to place at the end of her bed that has a volume of 4.5 cubic feet. What is the volume of the storage trunk in cubic inches?

  9. bakonloverk
    • 3 years ago
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    thts the problem im on

  10. AriPotta
    • 3 years ago
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    4.5ft x (12in/1ft)

  11. AriPotta
    • 3 years ago
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    basically just multiply 4.5 and 12

  12. bakonloverk
    • 3 years ago
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    54

  13. AriPotta
    • 3 years ago
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    yep. so 54 cubic inches

  14. bakonloverk
    • 3 years ago
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    omg thank you so much

  15. AriPotta
    • 3 years ago
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    no problem :)

  16. AriPotta
    • 3 years ago
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    that wasn't cross multiplication btw

  17. bakonloverk
    • 3 years ago
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    oh ok

  18. AriPotta
    • 3 years ago
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    1ft = 12in. that's why i put 12in/1ft

  19. bakonloverk
    • 3 years ago
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    ohhhhhh

  20. AriPotta
    • 3 years ago
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    if you were trying to find how many feet it was, it would be 54in x (1ft/12in)

  21. bakonloverk
    • 3 years ago
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    ohhhh ok tht makes sense

  22. AriPotta
    • 3 years ago
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    there's a specif name for this kinda setup, i just forgot what it was lol

  23. AriPotta
    • 3 years ago
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    specific*

  24. bakonloverk
    • 3 years ago
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    wait it said tht 54 was wrong

  25. AriPotta
    • 3 years ago
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    wat

  26. bakonloverk
    • 3 years ago
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    the thing im using says tht 54 isnt the answer

  27. AriPotta
    • 3 years ago
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    it hsould be...

  28. AriPotta
    • 3 years ago
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    should*

  29. bakonloverk
    • 3 years ago
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    its either 648 7776 or 3888

  30. AriPotta
    • 3 years ago
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    oooh i set it up wrong. lawls.

  31. bakonloverk
    • 3 years ago
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    lol

  32. AriPotta
    • 3 years ago
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    4.5ft^3 x (12in/1ft)^3

  33. AriPotta
    • 3 years ago
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    so you have to cube 12 first, then multiply that by 4.5

  34. bakonloverk
    • 3 years ago
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    omg thts so many numbers

  35. bakonloverk
    • 3 years ago
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    so its 7776

  36. AriPotta
    • 3 years ago
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    wait

  37. AriPotta
    • 3 years ago
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    yea

  38. bakonloverk
    • 3 years ago
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    kk thank you

  39. AriPotta
    • 3 years ago
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    and the setup is called dimensional analysis. Dimensional Analysis: A problem-solving method used in physics, chemistry, engineering, and mathematics that is based on treating units in calculations as algebraic factors or fractions.

  40. AriPotta
    • 3 years ago
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    you should look it up, because it helps me loads :)

  41. bakonloverk
    • 3 years ago
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    ok thank you so much

  42. AriPotta
    • 3 years ago
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    no problem :)

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