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alainabbyboo22 Group Title

The ratio of the measures of two supplementary angles is 7:3. Find the measures of the angles. A. 126° and 54° B. 72° and 18° C. 159° and 21° D. 69° and 21°

  • 2 years ago
  • 2 years ago

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  1. jim_thompson5910 Group Title
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    Hint: If "The ratio of the measures of two supplementary angles is 7:3", then 7x+3x = 180 Solve for x. Then use this to find 7x and 3x

    • 2 years ago
  2. Hpbby Group Title
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    10x=180

    • 2 years ago
  3. Hpbby Group Title
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    simplify

    • 2 years ago
  4. alainabbyboo22 Group Title
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    i'm so confused !

    • 2 years ago
  5. jim_thompson5910 Group Title
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    What is 180 divided by 10

    • 2 years ago
  6. alainabbyboo22 Group Title
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    18

    • 2 years ago
  7. jim_thompson5910 Group Title
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    So x = 18

    • 2 years ago
  8. jim_thompson5910 Group Title
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    Now use this to find 7x and 3x

    • 2 years ago
  9. Hpbby Group Title
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    Right so plug in 18 as x

    • 2 years ago
  10. jim_thompson5910 Group Title
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    I'll do 7x 7x = 7*18 7x = 126

    • 2 years ago
  11. Hpbby Group Title
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    7*18 and 3*18=180

    • 2 years ago
  12. jim_thompson5910 Group Title
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    3*18 = 54, not 180

    • 2 years ago
  13. Hpbby Group Title
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    You just gave her the answer lol. i put everything in one equation so she could see it better...

    • 2 years ago
  14. jim_thompson5910 Group Title
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    oh i see what you did, you just wrote it in an odd way

    • 2 years ago
  15. Hpbby Group Title
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    lol sorry

    • 2 years ago
  16. jim_thompson5910 Group Title
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    that's ok

    • 2 years ago
  17. alainabbyboo22 Group Title
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    lol its all good both of you , i appreciate the help ! thank you very much !!

    • 2 years ago
  18. Hpbby Group Title
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    :)

    • 2 years ago
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