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Mathematics 10 Online
OpenStudy (anonymous):

will medal.Given: Triangle A B C where AB || DE. Find the length of DC. (2 points) two and two ninths 9 10 and one half four and one half

OpenStudy (anonymous):

OpenStudy (anonymous):

@coolman500

OpenStudy (anonymous):

hlp plz

OpenStudy (anonymous):

(x + 6)/(2x + 6) = 21/30, so 30x + 180 = 42x + 126, so 12x = 54, so x = 4 1/2, so DC = 10 1/2

OpenStudy (anonymous):

wow u smart! :O

OpenStudy (anonymous):

thanks lol ....not really there is smarter

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