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Jravenv

  • one year ago

Help me solve this? Screencap in comments.

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  1. Jravenv
    • one year ago
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  2. anonymous
    • one year ago
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    do you know how to cross multiply

  3. dan815
    • one year ago
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    okay so, these 2 fractions are equal

  4. dan815
    • one year ago
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    |dw:1433540371219:dw|

  5. dan815
    • one year ago
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    if you were to multiply the top and bottom of a fraction by the same number does that change anything?

  6. Jravenv
    • one year ago
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    Nope, It's still the same fraction, I believe.

  7. dan815
    • one year ago
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    yep

  8. dan815
    • one year ago
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    okay so lets multiply the right side by 2 top and bottom

  9. dan815
    • one year ago
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    what would it looks like then?

  10. dan815
    • one year ago
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    |dw:1433540546415:dw|

  11. Jravenv
    • one year ago
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    |dw:1433540636988:dw|

  12. dan815
    • one year ago
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    right

  13. dan815
    • one year ago
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    |dw:1433540688116:dw|

  14. dan815
    • one year ago
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    but llooks whats happened here

  15. dan815
    • one year ago
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    now the numerators are equal

  16. dan815
    • one year ago
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    and if these fractions are equal then that means the denominators must be equal tooo

  17. dan815
    • one year ago
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    for example if u have a fraction 20/50 = 20/X theres nothing else X can be but 50 too

  18. dan815
    • one year ago
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    so

  19. dan815
    • one year ago
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    |dw:1433540792668:dw|

  20. dan815
    • one year ago
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    |dw:1433540813925:dw|

  21. dan815
    • one year ago
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    can you solve from here?

  22. dan815
    • one year ago
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    hey did u finish?

  23. Jravenv
    • one year ago
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    Sorry school internet cut, Yes I did! Thank you!

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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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