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KE8717504 Group Title

what number mulitplied by the numerator and added to the denominator of 4/9 makes the resulting fraction equilavent to 7/4?? the number is?

  • 2 years ago
  • 2 years ago

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  1. KE8717504 Group Title
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    @ArkGoLucky

    • 2 years ago
  2. ArkGoLucky Group Title
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    um I don't think this is possible because the numerator of the first fraction is not changed so it can't equal the second fraction. ever

    • 2 years ago
  3. ArkGoLucky Group Title
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    4 does not equal 7

    • 2 years ago
  4. KE8717504 Group Title
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    it dosent' have a answer box for not a answer

    • 2 years ago
  5. KE8717504 Group Title
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    @jim_thompson5910

    • 2 years ago
  6. KE8717504 Group Title
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    I have no idea either

    • 2 years ago
  7. ArkGoLucky Group Title
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    oh wait nvm, there is an answer. The number just has to be a fraction

    • 2 years ago
  8. KE8717504 Group Title
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    ok.

    • 2 years ago
  9. ArkGoLucky Group Title
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    Is there a box for a fraction?

    • 2 years ago
  10. KE8717504 Group Title
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    yea

    • 2 years ago
  11. ArkGoLucky Group Title
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    okay cool

    • 2 years ago
  12. KE8717504 Group Title
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    do u know it? lol

    • 2 years ago
  13. ArkGoLucky Group Title
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    okay got

    • 2 years ago
  14. ArkGoLucky Group Title
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    it

    • 2 years ago
  15. ArkGoLucky Group Title
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    so here's what you do so make an equation say x is the number you're looking for try to think of a way you can make an equation using x

    • 2 years ago
  16. ArkGoLucky Group Title
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    ask if you need help

    • 2 years ago
  17. ArkGoLucky Group Title
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    I'll give you a hint use 4x

    • 2 years ago
  18. KE8717504 Group Title
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    ok so what do i do now with the 4x?

    • 2 years ago
  19. KE8717504 Group Title
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    is the answer going to be 2? @ArkGoLucky

    • 2 years ago
  20. ArkGoLucky Group Title
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    not quite. I'll just show you the equation. So you know that the number x, when multiplied by the numerator(4) then added to the denominator(9) equals 7/4 That means 4/9+4x=7/4

    • 2 years ago
  21. KE8717504 Group Title
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    so 7/4 is the answer or do i solve that?

    • 2 years ago
  22. ArkGoLucky Group Title
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    no, now you solve for x, which is the number you're looking for

    • 2 years ago
  23. KE8717504 Group Title
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    i got 47/144?

    • 2 years ago
  24. KE8717504 Group Title
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    is that right or wrong?

    • 2 years ago
  25. ArkGoLucky Group Title
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    almost

    • 2 years ago
  26. ArkGoLucky Group Title
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    the numerator is right except it's a negative and the denominator is wrong

    • 2 years ago
  27. KE8717504 Group Title
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    how did i get the denominator wrong?

    • 2 years ago
  28. ArkGoLucky Group Title
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    did you solve x in\[\frac{ 4 }{ 9+4x }=\frac{ 7 }{ 4 }\]

    • 2 years ago
  29. KE8717504 Group Title
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    yea and i got that big fraction

    • 2 years ago
  30. ArkGoLucky Group Title
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    try plugging in your answer into that equation

    • 2 years ago
  31. ArkGoLucky Group Title
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    okay I'll show you how to solve for x multiply both sides of the equation by the common denominator. In this case, it is (4)(9+4x) this is to rid of the fractions

    • 2 years ago
  32. ArkGoLucky Group Title
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    when you do this, you get 16=7(9+4x) I'm sure you can solve for x now

    • 2 years ago
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