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number of possible combinations formula. C n r n. The number of k-combinations for all k is the number of subsets of a set of n elements.
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The number of combinations of n objects taken r at a time is determined by the following formula. Replace latexnlatex and latexrlatex in the formula with the given values. There are possible combinations of 4 students from a set of 15.
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The word has followed by a space and a number. The number says how many minimum from the list are needed for that result to. Lets look at an. This gives us a total number of combinations as 10.
