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Mathematics 24 Online
OpenStudy (anonymous):

http://curriculum.kcdistancelearning.com/courses/ALG1x-HS-A06/a/exams/3-HW7/510.gif 20 30 25 28 Last question. sorry for bugging lol.

OpenStudy (anonymous):

im confused on this lol

OpenStudy (aroub):

28

OpenStudy (anonymous):

thank you:)

OpenStudy (aroub):

Why? The gave you the area which is, A=0.5(b1+b2) h & they also gave you the value of A, b2 and h all you have to do now is substitute 100=0.5(b1+12)5 =>b1= 28

OpenStudy (aroub):

You're welcome :)

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