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anonymous

  • one year ago

if NS bisects <QNR, find m<QNR QNS is (6x-57) RNS is (2x+ 15)

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  1. anonymous
    • one year ago
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    I forgot how to do this. do I add the x and the subtact 15 from each side

  2. tkhunny
    • one year ago
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    Did you draw a picture?

  3. anonymous
    • one year ago
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    Yes

  4. tkhunny
    • one year ago
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    Did you see that angles QNS and RNS are a linear pair?

  5. anonymous
    • one year ago
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    yes

  6. tkhunny
    • one year ago
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    Trick question. You should not see that because we are not told that.|dw:1441039192569:dw| Definition of bisector. What can we say about the measures of the two angles created by the bisection?

  7. anonymous
    • one year ago
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    Haha good one, and I have no clue.

  8. tkhunny
    • one year ago
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    "BI" What might that mean?

  9. tkhunny
    • one year ago
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    Bimonthly Bicycle Bifurcate Bisect

  10. anonymous
    • one year ago
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    bisect

  11. tkhunny
    • one year ago
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    Right. And what does "bi" mean in this case?

  12. anonymous
    • one year ago
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    dived into two parts

  13. tkhunny
    • one year ago
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    Two EQUAL parts. The measures of the two angles are equal. Now what? We are given the measures of the two angles.

  14. anonymous
    • one year ago
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    Yes. (2x+15) and (6x-15)

  15. tkhunny
    • one year ago
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    It says "57" above. Which is correct. Anyway, you are nearly done. 2x+15 = 6x-15 Solve or x. This will not quite complete the assignment.

  16. anonymous
    • one year ago
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    So I add 6x and 2x and I get 8x. or do I subtract them???

  17. tkhunny
    • one year ago
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    No. You must solve using normal procedures. Don't get jumpy. Subtract 2x from both sides.

  18. anonymous
    • one year ago
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    how do you know if you subtract or add

  19. tkhunny
    • one year ago
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    You need to create zeros. 2x +15 = 6x - 15 Subtract 2x 2x - 2x +15 = 6x - 2x - 15 0 +15 = 4x - 15 Or just 15 = 4x - 15 Now, add 15. It should create zero, somewhere.

  20. anonymous
    • one year ago
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    yes I got that

  21. anonymous
    • one year ago
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    then aren't you left with 4x

  22. tkhunny
    • one year ago
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    You must be more careful. 15 = 4x - 15 Add 15 15 + 15 = 4x - 15 + 15 30 = 4x - 0 30 = 4x Now, divide by 4. Be careful.

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