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sdresser

  • 4 years ago

multiply or divide as indicated and reduce to lowest terms where appropriate: 2x-4/5x X 15x/x-2 multiply or divide as indicated and reduce to lowest terms where appropriate: 2x-4/5x X 15x/x-2 @Mathematics

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  1. sdresser
    • 4 years ago
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    how the hell?!

  2. Jemurray3
    • 4 years ago
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    I assume that is \[\frac{2x-4}{5x}\frac{15x}{x-2} \] right?

  3. Jemurray3
    • 4 years ago
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    You can rewrite that like this... \[\frac{2(x-2)}{5x}\frac{3(5x)}{x-2} \] which would be six, no?

  4. sdresser
    • 4 years ago
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    correct how did u write it like that? i cant write it like that in the question box

  5. sdresser
    • 4 years ago
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    but i dont know how you are even re writing it

  6. Jemurray3
    • 4 years ago
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    It's called LaTeX, don't worry about it. And just look at it, I dunno what else to tell you really. 2x-4 = 2(x-2), right?

  7. sdresser
    • 4 years ago
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    yes

  8. Jemurray3
    • 4 years ago
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    So, the (x-2)'s cancel, and the 5x's cancel, leaving you with 2*3 = 6.

  9. sdresser
    • 4 years ago
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    ohhhhh okay thank you!

  10. sdresser
    • 4 years ago
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    so what about -8 X n/-3msquared

  11. Jemurray3
    • 4 years ago
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    you can cancel the negative signs.

  12. sdresser
    • 4 years ago
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    this is such hard math

  13. sdresser
    • 4 years ago
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    i dont know how to calculate algebraic functions

  14. Jemurray3
    • 4 years ago
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    Such as?

  15. sdresser
    • 4 years ago
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    i dont know to write it

  16. sdresser
    • 4 years ago
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    (5/pqSQUARED) ( -3pCUBEDr/10q)

  17. Jemurray3
    • 4 years ago
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    \[\frac{5}{pq^2}\frac{-3p^3r}{10q}\] ?

  18. sdresser
    • 4 years ago
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    how do u do that?

  19. Jemurray3
    • 4 years ago
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    You'll notice the "Equation" button just below the text box.

  20. sdresser
    • 4 years ago
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    i see it but i havent figured out how to work it

  21. Jemurray3
    • 4 years ago
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    It's a document typesetting language called LaTeX. If you can't work the buttons don't worry about it because what I just typed looks like this: "\frac{5}{pq^2} \frac{-3p^3r}{10q} "

  22. Jemurray3
    • 4 years ago
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    I understood what you meant well enough when you just typed it.

  23. sdresser
    • 4 years ago
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    okie doke

  24. Jemurray3
    • 4 years ago
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    And to answer your question, that would be \[\frac{-15p^3r}{10pq^3} = \frac{-3p^2r}{2q^3}\]

  25. sdresser
    • 4 years ago
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    can you explain how you got that?

  26. Jemurray3
    • 4 years ago
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    I can tell you that when you multiply fractions, you multiply the numerators and denominators together, and that 15 and 10 share a common factor of 5 so that reduces to 3/2 when you cancel it, and p^3 / p = p^2, but besides that, I apologize, I do not know how to explain it further.

  27. sdresser
    • 4 years ago
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    thanks i just not that good at math

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