document.write( "Question 673995: A disc jockey has 9 songs to play. Five are slow songs, and 4 are fast songs. Each song is to be played only once. In how many ways can the disc jockey play the 9 songs if
\n" ); document.write( "The songs can be played in any order.
\n" ); document.write( "The first song must be a slow song and the last song must be a slow song.
\n" ); document.write( "The first two songs must be fast songs.\r
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\n" ); document.write( "\n" ); document.write( "Can you please explain this as you go. I not just out for an easy answer, I need insturction.PLEASE
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Algebra.Com's Answer #418970 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
A disc jockey has 9 songs to play. Five are slow songs, and 4 are fast songs. Each song is to be played only once. In how many ways can the disc jockey play the 9 songs if
\n" ); document.write( "The songs can be played in any order.
\n" ); document.write( "There are 9 songs.
\n" ); document.write( "1st song can be one of 9
\n" ); document.write( "2nd song can be one of 8
\n" ); document.write( "3rd song can be one of 7
\n" ); document.write( "etc.
\n" ); document.write( "Ans 9! = 362,880 ways
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\n" ); document.write( "The first song must be a slow song and the last song must be a slow song.
\n" ); document.write( "1st song can be one of 5
\n" ); document.write( "Last song can be one of 4
\n" ); document.write( "Middle 7 songs can be in 7! = 5040 ways
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\n" ); document.write( "Ans: 5*4*5040 = 100,800 ways
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\n" ); document.write( "The first two songs must be fast songs.
\n" ); document.write( "Ans: 4*3*7! = 12*5040 = 60,480 ways
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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