answersLogoWhite

0


Best Answer

they are 21C2 combinations

User Avatar

Wiki User

โˆ™ 2015-03-06 14:07:43
This answer is:
User Avatar
Study guides

Algebra

20 cards

A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

โžก๏ธ
See all cards
3.78
โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…
1435 Reviews

Add your answer:

Earn +20 pts
Q: How many combinations are there in 21 numbers?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

2 dice each dice has 6 numbers how many combinations could there be?

There are 21 combinations.


What number combinations can be made with the numbers 1 2 3 4 5 6 7?

There is 1 combinations with 7 numbers in them,7 combinations with 1 or 6 numbers in them,21 combinations with 2 or 5 numbers in them,35 combinations with 3 or 4 numbers in them.Notionally, there is also one combination with no numbers in it.In all then, there are 128 ( = 27) combinations.There is 1 combinations with 7 numbers in them,7 combinations with 1 or 6 numbers in them,21 combinations with 2 or 5 numbers in them,35 combinations with 3 or 4 numbers in them.Notionally, there is also one combination with no numbers in it.In all then, there are 128 ( = 27) combinations.There is 1 combinations with 7 numbers in them,7 combinations with 1 or 6 numbers in them,21 combinations with 2 or 5 numbers in them,35 combinations with 3 or 4 numbers in them.Notionally, there is also one combination with no numbers in it.In all then, there are 128 ( = 27) combinations.There is 1 combinations with 7 numbers in them,7 combinations with 1 or 6 numbers in them,21 combinations with 2 or 5 numbers in them,35 combinations with 3 or 4 numbers in them.Notionally, there is also one combination with no numbers in it.In all then, there are 128 ( = 27) combinations.


How many combinations of 3 numbers are there in 23 numbers?

There are 23C3 = 23!/(20!*3!) = 23*22*21/(3*2*1) = 1,771 combinations.


How many combinations of 4 numbers are there in 7 numbers?

how many combinations of 4 numbers are there in 7 numbers


How many combinations of 6 numbers are there in 9 numbers?

There are: 9C6 = 84 combinations


How many different combinations of 3 positive odd numbers have a sum of 21?

There are 12 different combinations of 3 positive odd numbers that add up to 21. Namely: (There are many permutations of these combinations.) 1,1,9 1,3,17 1,5,15 1,7,13 1,9,11 3,3,15 3,5,13 3,7,11 3,9,9 5,5,11 5,7,9 7,7,7


How many combinations of 6 are there for numbers 1-36?

There are 1,947,792 combinations of 6 numbers out of 36 numbers.


How many possible combinations are there of 9 numbers from 20 drawn numbers?

There are 167960 combinations.


How many combinations are there with 99 numbers?

It depends on combinations with how many numbers. There is only one combination of 99 numbers taken from 99.


How many 2 digit combinations can be made from 3 numbers combined?

Only three: 12, 13 and 23. Remember that the combinations 12 and 21 are the same.


What are two numbers if the difference is 21?

There are an infinite number of combinations where this could be the answer.


How many combinations using 8 numbers are there in 20 numbers what are these combinations?

There are 125970 combinations and I am not stupid enough to try and list them!

People also asked