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anonymous

  • one year ago

PLEASE HELP I WILL MEDAL AND FAN!

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  1. anonymous
    • one year ago
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    Marcie solved the following inequality, and her work is shown below: −2(x − 5) − 12 ≤ 4 + 6(x + 3) −2x + 10 − 12 ≤ 4 + 6x + 18 −2x − 2 ≤ 6x + 22 −8x ≤ 24 x ≤ −3 What mistake did Marcie make in solving the inequality? She subtracted 6x from both sides when she should have added 2x. She added 2 to both sides when she should have subtracted 22. When dividing by −8, she did not change the ≤ to ≥. She did not make a mistake.

  2. anonymous
    • one year ago
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    I think she supposed to change the sign because i learnt that the sign should be changed when the x variable is negatice

  3. anonymous
    • one year ago
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    *negative

  4. anonymous
    • one year ago
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    ok.. mind if I get another opinion?

  5. anonymous
    • one year ago
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    @Hero do you agree with that? I think that iis the answer, but I'm just making sure.

  6. Hero
    • one year ago
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    You can solve it for yourself to figure it out.

  7. anonymous
    • one year ago
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    yes but I am not sure what the correct answer would be, I am horrible at this stuff.

  8. Hero
    • one year ago
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    Well, basically, any time you DO decide to divide an inequality by a negative number, you have to "flip the sign".

  9. anonymous
    • one year ago
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    so I was right?

  10. Hero
    • one year ago
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    You never mentioned to me what you think the answer is.

  11. anonymous
    • one year ago
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    c

  12. anonymous
    • one year ago
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    @Hero

  13. Hero
    • one year ago
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    C is correct.

  14. anonymous
    • one year ago
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    ok, thanks!

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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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