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kimberly_18ann

  • 3 years ago

how about if it is fraction? wat will I do 1st? 3x/4 ≥-6 Thank you!

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  1. RolyPoly
    • 3 years ago
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    1. Multiply both sides by 4 2. Divide both sides by 3

  2. RolyPoly
    • 3 years ago
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    Or 1. Multiply both sides by 4/3

  3. kimberly_18ann
    • 3 years ago
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    ok, thank you

  4. kimberly_18ann
    • 3 years ago
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    i can't remember if it is negative when you subtract a lower positive number from a higher negative number? Help pls. Thank you!

  5. RolyPoly
    • 3 years ago
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    2-3 = -1

  6. RolyPoly
    • 3 years ago
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    Does it help?

  7. kimberly_18ann
    • 3 years ago
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    yes. a big heLp.... now I don't have hesitation in my answer! Thanks

  8. kimberly_18ann
    • 3 years ago
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    wat if negative divide by negative? is it equal to positive?

  9. RolyPoly
    • 3 years ago
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    Yes.

  10. RolyPoly
    • 3 years ago
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    +ve times +ve = +ve +ve times -ve = -ve -ve times -ve = +ve Same holds for division.

  11. kimberly_18ann
    • 3 years ago
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    ahm...okay, I thought It was different rule!

  12. kimberly_18ann
    • 3 years ago
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    I got 2 unfinished answers w/ my questions, bcoz now I'm confused which answer will i proceed, which is correct 3x/4 times 4/3 is equal to 12x/7 or 9x*16?

  13. RolyPoly
    • 3 years ago
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    \[\frac{3x}{4} ≥-6\]\[\frac{4}{3}\times\frac{3x}{4} ≥-6\times \frac{4}{3}\]Simplify the left and right side.

  14. kimberly_18ann
    • 3 years ago
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    I have 2 different answers bcoz I can't remember if it's correct to cross multiply it!

  15. RolyPoly
    • 3 years ago
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    \[\frac{4}{3}\times\frac{3x}{4} ≥-6\times \frac{4}{3}\]\[\frac{4\times3x}{3\times 4} ≥\frac{-6\times 4}{3}\]

  16. RolyPoly
    • 3 years ago
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    If you don't understand / can't handle this, just use the first method I told you: 1. Multiply both sides by 4 2. Divide both sides by 3

  17. kimberly_18ann
    • 3 years ago
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    I've got x≥-8 is my answer correct?

  18. HELP!!!!
    • 3 years ago
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    -1

  19. RolyPoly
    • 3 years ago
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    -8 is right...

  20. RolyPoly
    • 3 years ago
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    I mean x≥-8

  21. mustry
    • 3 years ago
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    |dw:1355237549488:dw|

  22. kimberly_18ann
    • 3 years ago
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    that's my answer ?right? yes I got it!

  23. RolyPoly
    • 3 years ago
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    That's your answer :)

  24. kimberly_18ann
    • 3 years ago
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    Thanks!

  25. mustry
    • 3 years ago
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    |dw:1355237691283:dw|

  26. RolyPoly
    • 3 years ago
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    Welcome :)

  27. mustry
    • 3 years ago
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    |dw:1355237876145:dw||dw:1355237936952:dw|

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