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alainabbyboo22

  • 2 years ago

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°

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  1. jim_thompson5910
    • 2 years ago
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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. Hpbby
    • 2 years ago
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    10x=180

  3. Hpbby
    • 2 years ago
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    simplify

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

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

  6. alainabbyboo22
    • 2 years ago
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    18

  7. jim_thompson5910
    • 2 years ago
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    So x = 18

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

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

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

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

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

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

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

  15. Hpbby
    • 2 years ago
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    lol sorry

  16. jim_thompson5910
    • 2 years ago
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    that's ok

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

  18. Hpbby
    • 2 years ago
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    :)

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