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Nimi404

  • 2 years ago

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

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  1. hartnn
    • 2 years ago
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    subtract 3 from both sides, what u get ?

  2. Nimi404
    • 2 years ago
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    How

  3. hartnn
    • 2 years ago
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    like this 3n+3-3 = 21-3

  4. hartnn
    • 2 years ago
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    so, what u get ?

  5. Nimi404
    • 2 years ago
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    18

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

  7. Nimi404
    • 2 years ago
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    Is it 2 am I correct

  8. hartnn
    • 2 years ago
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    no... 3n/3 =18/3 n =18/3 =... ?

  9. Nimi404
    • 2 years ago
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    Oh I understand now it's 6

  10. hartnn
    • 2 years ago
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    yes, n=6

  11. Nimi404
    • 2 years ago
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    Ok thank you so much

  12. hartnn
    • 2 years ago
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    welcome ^_^

  13. Nimi404
    • 2 years ago
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    Do u know median

  14. hartnn
    • 2 years ago
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    yes.

  15. hartnn
    • 2 years ago
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    new Q , new post please..

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

  17. hartnn
    • 2 years ago
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    can u arrange those numbers in ascending order ?

  18. hartnn
    • 2 years ago
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    then median is the middle value.

  19. Nimi404
    • 2 years ago
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    Ok 120,160,170,180,180

  20. hartnn
    • 2 years ago
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    middle value is ?

  21. Nimi404
    • 2 years ago
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    170

  22. hartnn
    • 2 years ago
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    then thats your median, 170

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

  24. Nimi404
    • 2 years ago
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    So...

  25. zaynahf
    • 2 years ago
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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.

  26. Nimi404
    • 2 years ago
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    Is it 36

  27. zaynahf
    • 2 years ago
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    Yep

  28. Nimi404
    • 2 years ago
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    Thanks

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

  30. zaynahf
    • 2 years ago
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    I think you should post it in another question

  31. Nimi404
    • 2 years ago
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    Why

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

  33. Nimi404
    • 2 years ago
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    How do you know

  34. Nimi404
    • 2 years ago
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    Anyone to help me

  35. hartnn
    • 2 years ago
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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.

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