Ask
your own question, for FREE!
Mathematics
25 Online
zarkam21 (zarkam21):
Help :]
Still Need Help?
Join the QuestionCove community and study together with friends!
zarkam21 (zarkam21):
OpenStudy (anonymous):
The number of r-combinations of a set with n elements, where n is a non negative integer and r is an integer with 0<=r<=n
OpenStudy (anonymous):
\[C(n,r)=\frac{ n! }{ r!(n-r)! }\]
OpenStudy (anonymous):
21
zarkam21 (zarkam21):
21 ways?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
yup @zarkam21
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
Nitrox:
If all religions unite together and fuse each otheru2019s minds with all their mi
lovelove1700:
u00bfA quu00e9 hora es tu clase?Fill in the blanks Activity unlimited attempts left Completa.
glomore600:
find someone says that that one person your talking to doesn't really like you should I take their advice and leave or should I ask the person i'm talking t
Addif9911:
Him I dimmed the light that once felt mine, a glow I never meant to lose. I over-read the shadows, let voices crowd the room where only two hearts shouldu20
EdwinJsHispanic:
Poem to my mom who proved my point "You proved my point, I am a failure. but I kinda wish, you were my savior.
Wolfwoods:
The Modern Princess "you spoke so softly to me, held me close when no one else did, loved me in a way no one else dared to.
Wolfwoods:
The Pain Of Waiting "The short story would be that we fell in love, you left and I continued to wait for you.
Nitrox:
If all religions unite together and fuse each otheru2019s minds with all their mi
18 minutes ago
1 Reply
0 Medals
lovelove1700:
u00bfA quu00e9 hora es tu clase?Fill in the blanks Activity unlimited attempts left Completa.
3 hours ago
0 Replies
0 Medals
glomore600:
find someone says that that one person your talking to doesn't really like you should I take their advice and leave or should I ask the person i'm talking t
7 hours ago
5 Replies
0 Medals
Addif9911:
Him I dimmed the light that once felt mine, a glow I never meant to lose. I over-read the shadows, let voices crowd the room where only two hearts shouldu20
1 day ago
4 Replies
0 Medals
EdwinJsHispanic:
Poem to my mom who proved my point "You proved my point, I am a failure. but I kinda wish, you were my savior.
1 day ago
6 Replies
2 Medals
Wolfwoods:
The Modern Princess "you spoke so softly to me, held me close when no one else did, loved me in a way no one else dared to.
2 days ago
11 Replies
3 Medals
Wolfwoods:
The Pain Of Waiting "The short story would be that we fell in love, you left and I continued to wait for you.
3 days ago
7 Replies
2 Medals