Ask
your own question, for FREE!
Mathematics
9 Online
OpenStudy (anonymous):
\[C _{r} =\left(\begin{matrix}10 \\ 8\end{matrix}\right), then \sum_{r=1}^{10}\]\[r.C _{r}\over C _{r-1} \] is
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
are there suppose to be any variables in \[C _{r}\]
OpenStudy (zarkon):
Little \(\LaTeX\) tip... use {10 \choose 8} for \[{10 \choose 8}\]
OpenStudy (anonymous):
it is 50
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
VERNEISH:
Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
Maci:
what are the best stock apps for people who want to start investing?
Twaylor:
genuienly how do i get better self control i keep watcing youtube and theres this
IzzyCookie:
|dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
thehearken:
not sure if this is considered spam, im sorry if it is, but does anyone have tips
VERNEISH:
Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
1 hour ago
1 Reply
0 Medals
Maci:
what are the best stock apps for people who want to start investing?
4 days ago
3 Replies
2 Medals
Twaylor:
genuienly how do i get better self control i keep watcing youtube and theres this
1 week ago
3 Replies
0 Medals
IzzyCookie:
|dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
2 days ago
9 Replies
1 Medal
thehearken:
not sure if this is considered spam, im sorry if it is, but does anyone have tips
1 week ago
2 Replies
1 Medal