document.write( "Question 1114102: Where did they get the 10 from? I highlighted the portion of the question I am talking about. Here is a photo.
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Algebra.Com's Answer #729113 by Alan3354(69443) $\"\"$ $\"About$

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Where did they get the 10 from? I highlighted the portion of the question I am talking about. Here is a photo.
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\n" ); document.write( "C(5,2) = 5!/(5-2)!*2!) = 120/(6*2) = 10
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