Your problem states that there are 6 dancers.
Do you need to know how many dances there will be?
There are 6 dancers in a program. Each dancer will preform a short dance with each of the other dancers before the program is over. How many dancers will there be
9 answers
Yes how many dances
There should be 15 dances.
ms.sue could you please answer my question i previousl posted
How did you come up with that #?
Dancer 1 dances with dancers 2, 3, 4, 5, 6
2: 3, 4, 5, 6,
3: 4, 5, 6
4: 5, 6
5: 6
2: 3, 4, 5, 6,
3: 4, 5, 6
4: 5, 6
5: 6
Understood thanks!
You're welcome.
combinations of 5 taken 2 at a time
c(5,2) = 5!/[3!*2!] = 5*2 = 10
c(5,2) = 5!/[3!*2!] = 5*2 = 10
2 answers