Nimi404
Solve this:
(3*n)+3=21



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hartnn
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subtract 3 from both sides, what u get ?

Nimi404
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How

hartnn
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like this
3n+33 = 213

hartnn
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so, what u get ?

Nimi404
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18

hartnn
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yes, 3n =18
now divide both sides by 3

Nimi404
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Is it 2 am I correct

hartnn
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no...
3n/3 =18/3
n =18/3 =... ?

Nimi404
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Oh I understand now it's 6

hartnn
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yes, n=6

Nimi404
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Ok thank you so much

hartnn
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welcome ^_^

Nimi404
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Do u know median

hartnn
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yes.

hartnn
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new Q , new post please..

Nimi404
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Ok what is the median height in meters of 180,170,120,180,160

hartnn
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can u arrange those numbers in ascending order ?

hartnn
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then median is the middle value.

Nimi404
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Ok 120,160,170,180,180

hartnn
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middle value is ?

Nimi404
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170

hartnn
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then thats your median, 170

Nimi404
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A towel is 1 yard long what measure is equavilant to 1 yard in inches

Nimi404
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So...

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.

Nimi404
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Is it 36

zaynahf
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Yep

Nimi404
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Thanks

Nimi404
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Zaynahf pls what is the measure of a fourth angle of a this quadrilateral 60%,110% and90%

zaynahf
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I think you should post it in another question

Nimi404
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Why

zaynahf
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So other can answer too, and you *kind of* have 4 questions in this post

Nimi404
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How do you know

Nimi404
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Anyone to help me

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.