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ilovenyc

  • 3 years ago

Select the inequality that corresponds to the given graph. (see attached photo) A 3x - 7 < 11 B -4x greater than or equal to 24 C -2x + 7 less than or greater to 13 D 3(x - 2) - 3 greater than or equal to x - 5 my answer is D, am I correct?

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  1. ilovenyc
    • 3 years ago
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  2. tcarroll010
    • 3 years ago
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    It's not any of these.

  3. tcarroll010
    • 3 years ago
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    If you changed the wording of "c" to say "less than or equal to", then "c" would be correct.

  4. ilovenyc
    • 3 years ago
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    well those are the only answers they gave me, but you say its C

  5. tcarroll010
    • 3 years ago
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    So, a simpler way to see the change to selection "c" is to change the word "greater" to "equal" and then you can have "c" as the correct answer. I would think that this is this is the case because "c" as worded looks like a typo, because one doesn't have something "greater to". One would have "equal to" or "greater than". So, make the correction to the wording of "c" and take that one.

  6. ilovenyc
    • 3 years ago
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    well this is how C is -2x+7<11

  7. tcarroll010
    • 3 years ago
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    Isn't it:\[-2x + 7 \le 11\]instead? Isn't there a bar under the inequality sign?

  8. ilovenyc
    • 3 years ago
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    @tcarroll010 yeah your right

  9. tcarroll010
    • 3 years ago
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    It is necessary to keep in mind that the two symbols are not the same. "c" is then definitely the correct answer since that is "less than or equal to".

  10. tcarroll010
    • 3 years ago
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    If the symbol were < Then it would be "less than"

  11. tcarroll010
    • 3 years ago
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    So, are you good on this now? Any lingering difficulties?

  12. tcarroll010
    • 3 years ago
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    −2x + 7 ≤ 13 You will eventually get:x≥−3 if you first subtract 7 from both sides and then divide both sides by -2 (and also switching the inequality sign direction). And that's all there is to it.

  13. tcarroll010
    • 3 years ago
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    Are you still there?

  14. tcarroll010
    • 3 years ago
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    You're welcome.

  15. ilovenyc
    • 3 years ago
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    yes

  16. ilovenyc
    • 3 years ago
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    @tcarroll010 so just to be sure that C, is the right answer?

  17. tcarroll010
    • 3 years ago
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    I have already answered this in detail. Please do me the courtesy of at least reading my answer and all the work I did for you already.

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