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mathmath333
 one year ago
if 28C(2r):24C_(2r4)=225:11
Find r .
mathmath333
 one year ago
if 28C(2r):24C_(2r4)=225:11 Find r .

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mathmath333
 one year ago
Best ResponseYou've already chosen the best response.0\(\large \color{black}{\begin{align} & \normalsize \text{if }\ ^{28}C_{2r}:^{24}C_{2r4}=225:11 \hspace{.33em}\\~\\ & \normalsize \text{Find r } \hspace{.33em}\\~\\ & a.) 10 \hspace{.33em}\\~\\ & b.) 11 \hspace{.33em}\\~\\ & c.) 7 \hspace{.33em}\\~\\ & d.) 9 \hspace{.33em}\\~\\ \end{align}}\)

dan815
 one year ago
Best ResponseYou've already chosen the best response.2fastest way to check is probably just plug in the rs

dan815
 one year ago
Best ResponseYou've already chosen the best response.2too much work plugging in is better
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