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LyraElizabethAdams Group Title

Hi, I don't understand this question (attached). Would you please explain why the answer is: 120<x<125?

  • 2 years ago
  • 2 years ago

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  1. LyraElizabethAdams Group Title
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    • 2 years ago
  2. Hero Group Title
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    It actually should have been 120<y<125

    • 2 years ago
  3. Hero Group Title
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    So even I would have gotten it wrong

    • 2 years ago
  4. Hero Group Title
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    Looks like you had no chance with that question.

    • 2 years ago
  5. LyraElizabethAdams Group Title
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    Okay. Are you able to explain why how you would get that answer?

    • 2 years ago
  6. Hero Group Title
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    Because x + y = 180 since x and y are supplementary. Therefore if the values of x are between 55 and 60, the values of y must be between 120 and 125

    • 2 years ago
  7. LyraElizabethAdams Group Title
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    OH, I see! Okay, thank you very much! :)

    • 2 years ago
  8. Hero Group Title
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    @campbell_st must be typing a book

    • 2 years ago
  9. campbell_st Group Title
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    firstly the question hasn't been proof read very well... the V should be B 55<y<60 then x will be in the solution x and y are supplementary... meaning that add to 180 degrees' the question is saying if 55<y< 60 or if y is between 55 and 60 degrees, between what measurements is x if y = 55 then x = 125 55+125 = 180 y = 60 then x = 120 60 + 120 = 180 so the solution is if y is an angle between 55 and 60 then x must be between 120 and 125 e.g. y = 57 x = 123

    • 2 years ago
  10. LyraElizabethAdams Group Title
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    :)

    • 2 years ago
  11. LyraElizabethAdams Group Title
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    Aha! That makes sense! Thanks so much for the thorough answer, campbell_st

    • 2 years ago
  12. Hero Group Title
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    Actually, since y is obtuse, the solution should have been 120<y<125

    • 2 years ago
  13. LyraElizabethAdams Group Title
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    Okay

    • 2 years ago
  14. LyraElizabethAdams Group Title
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    Thanks so much!

    • 2 years ago
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