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## Combination - Wikipedia

en.wikipedia.org/wiki/Combination

In mathematics, a combination is a way of selecting items from a collection, such that (unlike permutations) the order of selection does not matter. In smaller cases it is possible to count the numb...

## Mathwords: Combination Formula

www.mathwords.com/c/combination_formula.htm

Combination Formula. A formula for the number of possible combinations of r objects from a set of n objects. This is written in any of the ways shown below.

## Combinations and Permutations - Math is Fun

www.mathsisfun.com/combinatorics/combinations-permutations.html

In English we use the word "combination" loosely, without thinking if the order of .... So we adjust our permutations formula to reduce it by how many ways the ...

## Easy Permutations and Combinations – BetterExplained

betterexplained.com/articles/easy-permutations-and-combinations/

Let's start with permutations, or all possible ways of doing something. ... Writing this out, we get our combination formula, or the number of ways to combine k ...

## Permutations and combinations (Algebra 2, Discrete mathematics ...

www.mathplanet.com/education/algebra-2/discrete-mathematics-and-probability/permutations-and-combinations

One could say that a permutation is an ordered combination. ... to determine the correct number of permutations we simply plug in our values into our formula:.

## Combination formula | Combinations | Probability and combinatorics ...

The first time you're exposed to permutations and combinations it takes a little bit to get your brain around it, so I think it never hurts to do as many examples.

## Combination and Permutation Calculator - Stat Trek

stattrek.com/online-calculator/combinations-permutations.aspx

Finds the number of combinations and permutations that result when you choose r ... Each possible arrangement would be an example of a permutation.

## Combinations Calculator (nCr) - Calculator Soup

www.calculatorsoup.com/calculators/discretemathematics/combinations.php

The Combinations Calculator will find the number of possible combinations that can be obtained by ... Looking at the formula, we must calculate “6 choose 2.”.