How many groups of 3 cds are possible? This problem asks for [I]unique[/I] combinations. We want 6 choose 3, or 6C3. Go to the [URL='https://www.mathcelebrity.
Free Permutations and Combinations Calculator - Calculates the following: Number of permutation(s) of n items arranged in r ways = nPr
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How does the Circular Permutation Calculator work? Free Circular Permutation Calculator - Calculates the following: Number of ways to arrange n distinct items ...
How many distinct 3 letter arrangements can be made using P, R, I, M and E? We have all unique letters. We want the combination formula 5 Choose 3, or C(5,3).
Let's choose equation (1): 2(9) + y = 25 y + 18 = 25 [URL='https://www.mathcelebrity.com/1unk.php?num=y%2B18%3D25&pl=Solve']Typing this equation into our search ...
Find the integers. Let the first integer be x. Let the second integer be y. We're given: [LIST=1] [*]10x = 8y [*]We also know a consecutive even integer means ...
Free Permutations and Combinations Calculator - Calculates the following: Number of permutation(s) of n items arranged in r ways = nPr
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Free Combinations with Replacement Calculator - Calculates the following: How many combinations can we have from a sample of r elements from a set of n distinct ...
Free Normal Distribution Calculator - Calculates the probability that a random variable is less than or greater than a value or between 2 values using the ...