pearpeaerrr3736 pearpeaerrr3736

13-09-2017
Mathematics

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A fan of country music plans to make a custom cd with 11 of her 27 favorite songs. how many different combinations of 11 songs are possible? is it practical to make a different cd for each possible combination?

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lilaznkidz916 lilaznkidz916

14-09-2017

This is equivalent to asking in how many ways you can choose 11 from an available 28 and is hence the combination

28^Cv11=28!

(28−11)!11!

=21474180

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