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anonymous

  • one year ago

Lucy's goal for her cycling class at the gym is to burn 450 calories in one hour. The number of calories (c) she actually burns in one hour varies no more than 45 calories. Which inequality below represents this scenario? A. |c - 450| < 45 B. |c + 450| > 45 C. |c - 45| < 450 D. |c - 45| > 450

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  1. Teddyiswatshecallsme
    • one year ago
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    B. I think.

  2. mathstudent55
    • one year ago
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    You are missing all the inequality symbols.

  3. anonymous
    • one year ago
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    oh oops lol let me fix that

  4. anonymous
    • one year ago
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    there... they all should have lines under them

  5. anonymous
    • one year ago
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    I think its B.

  6. anonymous
    • one year ago
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    ok thnx guys :)

  7. mathstudent55
    • one year ago
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    Wait.

  8. mathstudent55
    • one year ago
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    The variation is at most 45. Let's she burned 30 calories more than 450. She burned 480. What is the variation from 480 to 450?

  9. anonymous
    • one year ago
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    im in a hurry cuz my mom is being a pain in the butt can you just pls give me the answer?

  10. mathstudent55
    • one year ago
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    In this case the variation is 480 - 450 = 30 Notice you find the variation by subtracting, not adding. Choice B has an addition inside the absolute value, so it is not the answer. Also, notice that to find the variation, you need to subtract c - 450 and take the absolute value.

  11. mathstudent55
    • one year ago
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    That points to this: \(|c - 450| \le 45\)

  12. anonymous
    • one year ago
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    ok so whats the answer?

  13. mathstudent55
    • one year ago
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    see above

  14. anonymous
    • one year ago
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    thnx :)

  15. mathstudent55
    • one year ago
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    yw

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