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Mathematics 18 Online
OpenStudy (anonymous):

WILL MEDAL

OpenStudy (anonymous):

Angle x is (2n + 12)°, and angle y is (3n + 18)° . Find the measure of angle x. http://www.usatestprep.com/modules/gallery/files/12/1294/1294.gif Note: not drawn to scale. A) 24° B) 30° C) 72° D) 108°

OpenStudy (greatlife44):

So \[x = (2n+12)\] \[y = (3n+8)\]

OpenStudy (anonymous):

yeah

OpenStudy (anonymous):

how do i solve for N? @greatlife44

OpenStudy (anonymous):

that doesn't work @greatlife44

OpenStudy (anonymous):

you end up getting 190 instead of 180 also x would equal 76 which isn't an answer choice

OpenStudy (anonymous):

32 cant be N

OpenStudy (anonymous):

i tested it on my calculator to check it

OpenStudy (greatlife44):

I copied the formula down wrong. x+y = 180 degrees (2n+12)+(3n+18) = 5n+30 = 180 5n = 150 n = 30 2(30)+12 = 72 = x 3(30)+18 = 108 = y 72+108 = 180

OpenStudy (anonymous):

thanks sorry this took so long :D

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