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Mathematics 20 Online
OpenStudy (anonymous):

Need help with this question please?

OpenStudy (anonymous):

OpenStudy (anonymous):

I think it is A but I'm not sure

OpenStudy (anonymous):

Me neither

OpenStudy (anonymous):

Me neither

TheSmartOne (thesmartone):

4x-7+5x-20=90 9x-27=90 9x=117 x=13

OpenStudy (slinley):

its a

TheSmartOne (thesmartone):

It is B.

TheSmartOne (thesmartone):

Complementary are angles that add up to 90 degrees

TheSmartOne (thesmartone):

@slinley how did you get A as your answer. Show your work.

OpenStudy (slinley):

lol are u a teacher?? Telling me to show my work..lmao

OpenStudy (slinley):

but sure give me a second

TheSmartOne (thesmartone):

No actually I am not. But you have to show your work. It is part of the code of conduct. http://openstudy.com/code-of-conduct

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