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Formula: nCr = n! divided by (n-r)! x r!

where n is the number of things to choose from and you choose r of them

15C4 = 15!divided by (15-4)! x 4! = 1365 ways

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โˆ™ 2012-07-03 16:15:29
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Algebra

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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

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Q: How many combinations can be made using of fifteen thing taken four at a time?
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