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How many different pairs can be made with 12 numbers? - Answers

To find the number of different pairs that can be made from 12 numbers, you can use the combination formula ( C(n, k) = \frac{n!}{k!(n-k)!} ), where ( n ) is the total number of items, and ( k ) is the number of items to choose. For pairs, ( k = 2 ), so the calculation is ( C(12, 2) = \frac{12!}{2!(12-2)!} = \frac{12 \times 11}{2 \times 1} = 66 ). Therefore, 66 different pairs can be formed with 12 numbers.



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How many different pairs can be made with 12 numbers? - Answers

https://math.answers.com/math-and-arithmetic/How_many_different_pairs_can_be_made_with_12_numbers

To find the number of different pairs that can be made from 12 numbers, you can use the combination formula ( C(n, k) = \frac{n!}{k!(n-k)!} ), where ( n ) is the total number of items, and ( k ) is the number of items to choose. For pairs, ( k = 2 ), so the calculation is ( C(12, 2) = \frac{12!}{2!(12-2)!} = \frac{12 \times 11}{2 \times 1} = 66 ). Therefore, 66 different pairs can be formed with 12 numbers.



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https://math.answers.com/math-and-arithmetic/How_many_different_pairs_can_be_made_with_12_numbers

How many different pairs can be made with 12 numbers? - Answers

To find the number of different pairs that can be made from 12 numbers, you can use the combination formula ( C(n, k) = \frac{n!}{k!(n-k)!} ), where ( n ) is the total number of items, and ( k ) is the number of items to choose. For pairs, ( k = 2 ), so the calculation is ( C(12, 2) = \frac{12!}{2!(12-2)!} = \frac{12 \times 11}{2 \times 1} = 66 ). Therefore, 66 different pairs can be formed with 12 numbers.

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      To find the number of different pairs that can be made from 12 numbers, you can use the combination formula ( C(n, k) = \frac{n!}{k!(n-k)!} ), where ( n ) is the total number of items, and ( k ) is the number of items to choose. For pairs, ( k = 2 ), so the calculation is ( C(12, 2) = \frac{12!}{2!(12-2)!} = \frac{12 \times 11}{2 \times 1} = 66 ). Therefore, 66 different pairs can be formed with 12 numbers.

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