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CharityDanielle

  • 3 years ago

hoose the correct description of the graph of the compound inequality x - 1 < or = to 9 or 2x > or = to 24 A number line with an open circle on 10, shading to the left, and an open circle on 12, shading to the right. A number line with an open circle on 10, an open circle on 12, and shading in between. A number line with a closed circle on 10, a closed circle on 12, and shading in between. A number line with a closed circle on 10, shading to the left, and a closed circle on 12, shading to the right

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  1. CharityDanielle
    • 3 years ago
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    @dmezzullo sorry for taggiin you soo much..i know you must hate me right now ):

  2. dmezzullo
    • 3 years ago
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    Its ok idk this one

  3. CharityDanielle
    • 3 years ago
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    poo

  4. anonymous
    • 3 years ago
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    \[x-1\leq 9\iff x\leq 10\]

  5. CharityDanielle
    • 3 years ago
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    huh????????????

  6. anonymous
    • 3 years ago
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    \[2x\geq 24\iff x\geq 12\]

  7. CharityDanielle
    • 3 years ago
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    im confsed!!

  8. anonymous
    • 3 years ago
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    before you can answer the question, you have to solve each inequality for \(x\) that is the first step

  9. anonymous
    • 3 years ago
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    the first inequality is \(x-1\leq 9\) to solve this for \(x\) add 1 to both sides, which gives you \[x\leq 10\]

  10. anonymous
    • 3 years ago
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    to solve \(2x\geq 24\) divide both sides by 2 and get \(x\geq 12\)

  11. anonymous
    • 3 years ago
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    this tells you \(x\leq 10\) OR \(x\geq 12\)

  12. anonymous
    • 3 years ago
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    |dw:1364999820534:dw|

  13. anonymous
    • 3 years ago
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    both circles are closed because you have \(\leq\) and \(\geq\) instead of \(<\) and \(>\)

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