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anonymous

  • one year ago

If m<A = 2x and m<D = 9x + 15, then what is m<A? A.) 15° B.) 20° C.) 30° D.) 34°

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  1. anonymous
    • one year ago
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    |dw:1435170356298:dw|

  2. anonymous
    • one year ago
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    @skullpatrol

  3. alekos
    • one year ago
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    i'm assuming youve drawn a parallelogram?

  4. alekos
    • one year ago
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    is that right?

  5. anonymous
    • one year ago
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    Yes @alekos

  6. alekos
    • one year ago
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    so that would mean that m<A + m<D =180 degrees

  7. anonymous
    • one year ago
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    then what do I do?

  8. alekos
    • one year ago
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    well then we would have 2x+9x+15 =180

  9. alekos
    • one year ago
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    you follow?

  10. anonymous
    • one year ago
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    Yes

  11. anonymous
    • one year ago
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    @alekos

  12. alekos
    • one year ago
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    well now you can solve for x

  13. anonymous
    • one year ago
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    X=11 right?

  14. alekos
    • one year ago
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    no way. try again

  15. anonymous
    • one year ago
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    don't I do 9x+2x?

  16. alekos
    • one year ago
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    yes and you get 11x + 15 =180 now do the next step

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spraguer (Moderator)
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