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Mathematics 19 Online
OpenStudy (anisah.21a):

lines j and k are parallel. Find the values of x and y. j= 13y degrees (8x+y) degrees k= (20x+3y) degrees

OpenStudy (ragingsquirrel):

does it look like this?|dw:1443149770547:dw|

OpenStudy (anisah.21a):

yep

OpenStudy (danjs):

ha, good interpretation for the question raging..

OpenStudy (anisah.21a):

|dw:1443149846344:dw|

OpenStudy (anisah.21a):

i don't know i am helping my cousin who is in the 8th grade advanced geometry.. i am in first year college. I dont remember anything from high school but trying to help her.

OpenStudy (danjs):

|dw:1443150548121:dw|

OpenStudy (anisah.21a):

then just set up the equations to 180. thanks !

OpenStudy (danjs):

The vertical angles are equal (oposite angles in two crossed lines), and A straight line totals 180 degrees

OpenStudy (danjs):

two variables x and y are to be found, you need AT Least 2 equations to do that

OpenStudy (ragingsquirrel):

I misread the diagram. Nevermind.

OpenStudy (danjs):

hah, i just looked at the shape of your work and it seemed good for a medal

OpenStudy (danjs):

then use one of those for j, and the expression for k, and recall the total of those will be a straight line, j+k=180 so the second equation can be |dw:1443150968106:dw|

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