document.write( "Question 1115938: A music class of eight girls and seven boys is having a recital. If each member is to perform once, how many ways can the program be arranged in each of the following cases:\r
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document.write( "a) The girls must all perform first.
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document.write( "b) A girl must perform first and a boy must perform last.
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document.write( "c) The entire program will alternate between girls and boys, starting with a girl.
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document.write( "d) The first, eighth, and fifteenth performers must be girls. \n" );
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Algebra.Com's Answer #730794 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A music class of eight girls and seven boys is having a recital. If each member is to perform once, how many ways can the program be arranged in each of the following cases: \n" ); document.write( "a) The girls must all perform first.:: 8!*7! \n" ); document.write( "---------------------------------------------------------------- \n" ); document.write( "b) A girl must perform first and a boy must perform last.::8*13!*7 \n" ); document.write( "------------------------------------------- \n" ); document.write( "c) The entire program will alternate between girls and boys, starting with a girl. \n" ); document.write( "8*7*7*6*6*5 etc. \n" ); document.write( "--------------------------- \n" ); document.write( "d) The first, eighth, and fifteenth performers must be girls. \n" ); document.write( "8*7*6*12! \n" ); document.write( "-------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " |