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Nimi404

Solve this: (3*n)+3=21

  • one year ago
  • one year ago

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  1. hartnn
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    subtract 3 from both sides, what u get ?

    • one year ago
  2. Nimi404
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    How

    • one year ago
  3. hartnn
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    like this 3n+3-3 = 21-3

    • one year ago
  4. hartnn
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    so, what u get ?

    • one year ago
  5. Nimi404
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    18

    • one year ago
  6. hartnn
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    yes, 3n =18 now divide both sides by 3

    • one year ago
  7. Nimi404
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    Is it 2 am I correct

    • one year ago
  8. hartnn
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    no... 3n/3 =18/3 n =18/3 =... ?

    • one year ago
  9. Nimi404
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    Oh I understand now it's 6

    • one year ago
  10. hartnn
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    yes, n=6

    • one year ago
  11. Nimi404
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    Ok thank you so much

    • one year ago
  12. hartnn
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    welcome ^_^

    • one year ago
  13. Nimi404
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    Do u know median

    • one year ago
  14. hartnn
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    yes.

    • one year ago
  15. hartnn
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    new Q , new post please..

    • one year ago
  16. Nimi404
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    Ok what is the median height in meters of 180,170,120,180,160

    • one year ago
  17. hartnn
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    can u arrange those numbers in ascending order ?

    • one year ago
  18. hartnn
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    then median is the middle value.

    • one year ago
  19. Nimi404
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    Ok 120,160,170,180,180

    • one year ago
  20. hartnn
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    middle value is ?

    • one year ago
  21. Nimi404
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    170

    • one year ago
  22. hartnn
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    then thats your median, 170

    • one year ago
  23. Nimi404
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    A towel is 1 yard long what measure is equavilant to 1 yard in inches

    • one year ago
  24. Nimi404
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    So...

    • one year ago
  25. zaynahf
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    Well, one yard is 3 feet, and 1 foot is 12 inches. so 3 x 12 is 36, 26 inches in a yard.

    • one year ago
  26. Nimi404
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    Is it 36

    • one year ago
  27. zaynahf
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    Yep

    • one year ago
  28. Nimi404
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    Thanks

    • one year ago
  29. Nimi404
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    Zaynahf pls what is the measure of a fourth angle of a this quadrilateral 60%,110% and90%

    • one year ago
  30. zaynahf
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    I think you should post it in another question

    • one year ago
  31. Nimi404
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    Why

    • one year ago
  32. zaynahf
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    So other can answer too, and you *kind of* have 4 questions in this post

    • one year ago
  33. Nimi404
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    How do you know

    • one year ago
  34. Nimi404
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    Anyone to help me

    • one year ago
  35. hartnn
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    in a Quadrilateral, sum of angles =360 so, let forth angle =x 60+110+90+x=360 find x from here. and please close this post.

    • one year ago
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