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OpenStudy (anonymous):
GEOMETRY HELP PLEASE!!!!!!! Secant DB intersects secant DZ at point D. Find the length of DY http://media.education2020.com/evresources/2092483_b2d4bd01-9357-47c4-841c-e4713721380b.png
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OpenStudy (raden):
use the secant's theorem : DY * DZ = DA * DB
OpenStudy (anonymous):
k
OpenStudy (raden):
so, 2x (2x + 7) = x (x + 23) solve for x notice : for this case x must be postive
OpenStudy (anonymous):
okay
OpenStudy (anonymous):
I got 1.5 for x..is that correct?
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OpenStudy (anonymous):
@RadEn
OpenStudy (anonymous):
the answer to the question is 3 tho! I have another one..will u help me @dan815
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