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Mathematics 18 Online
OpenStudy (anonymous):

Please help will fan and medal! question below↓↓↓

OpenStudy (anonymous):

OpenStudy (math&ing001):

Im not really good with statistics, but I would say it's \[C_{10}^{1}*C _{9}^{9}=10\]

OpenStudy (math&ing001):

Please check before you right this down.

OpenStudy (math&ing001):

write*

OpenStudy (anonymous):

thank you! it worked!

OpenStudy (math&ing001):

Welcome :3

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