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Mathematics 12 Online
OpenStudy (anonymous):

Find the value of x. Round decimal answers to the nearest tenth.

OpenStudy (anonymous):

|dw:1336479560286:dw|

OpenStudy (anonymous):

do you know the postulate?

OpenStudy (unklerhaukus):

actually maybe not, they are not similar triangles

OpenStudy (anonymous):

4*10=x*(7+x)

OpenStudy (anonymous):

40=7x+x^2 x^2+7x-40=0

OpenStudy (anonymous):

That is of the form: |dw:1336480883020:dw| the formula is (EC)(EA) = (EB)(ED)

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