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TheNamesJesseKay

  • 2 years ago

Choose the correct inequality for: 19 is smaller than or equal to 5x+4 which is smaller than or equal to 24. A) 3 is smaller than or equal to x which is smaller than or equal to 7 B) 3 is smaller than or equal to x which is smaller than or equal to 5 C) 5 is smaller than or equal to x which is smaller than or equal to 4 D) 3 is smaller than or equal to x which is smaller than or equal to 4

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  1. Monkeyball
    • 2 years ago
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    \[19\le5x+4\le24\]

  2. Monkeyball
    • 2 years ago
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    This is the basic set up of the inequality

  3. TheNamesJesseKay
    • 2 years ago
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    Yeah..

  4. Monkeyball
    • 2 years ago
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    From there we can simplify because we want x by itself. So let's get rid of that positive 4 by subtracting 4....but that means we also have to subtract 4 from 19 and 24

  5. TheNamesJesseKay
    • 2 years ago
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    Which would leave us with 15 5x and 20

  6. Monkeyball
    • 2 years ago
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    \[19-4\le5x+4-4\le24-4\]

  7. Monkeyball
    • 2 years ago
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    yes

  8. TheNamesJesseKay
    • 2 years ago
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    Okay the what..? would you divide your 5 to get x alone?

  9. Monkeyball
    • 2 years ago
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    now lets get rid of that 5 from 5x....divide 5 all throughout

  10. TheNamesJesseKay
    • 2 years ago
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    Okay so now we have 3.. x.. and 4..

  11. TheNamesJesseKay
    • 2 years ago
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    OH! is that my answer??

  12. Monkeyball
    • 2 years ago
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    yes good job!!

  13. TheNamesJesseKay
    • 2 years ago
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    Thank you!!! :D

  14. Monkeyball
    • 2 years ago
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    but I hate leaving it like that this is how it looks like \[3\le x \le4\]

  15. TheNamesJesseKay
    • 2 years ago
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    Okay(: Thanks you bunches.

  16. Monkeyball
    • 2 years ago
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    In some questions you might get multiply answers with 3 and 4 so you have to be picky in order to get that one answer.

  17. Monkeyball
    • 2 years ago
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    Yeah no problem.

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