document.write( "Question 1207178: in how many ways can a teacher select 5 students from a class of 23 students? \n" ); document.write( "
Algebra.Com's Answer #844906 by ikleyn(52781)\"\" \"About 
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document.write( "The answer is the number of combinations of 23 students taken 5 at a time\r\n" );
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document.write( "    \"C%5B23%5D%5E5\" = \"%2823%2A22%2A21%2A20%2A19%29%2F%281%2A2%2A3%2A4%2A5%29\" = 33649  different ways.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Since the order of students does not matter,  this problem is on  COMBINATIONS.\r
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\n" ); document.write( "\n" ); document.write( "If you got this problem, it is assumed that you have a necessary knowledge on combinations
\n" ); document.write( "from your teacher/professor and/or from your textbook as a pre-requisite.\r
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\n" ); document.write( "\n" ); document.write( "If not,  read these introductory lessons on combinations in this site\r
\n" ); document.write( "\n" ); document.write( "    - Introduction to Combinations\r
\n" ); document.write( "\n" ); document.write( "    - PROOF of the formula on the number of Combinations\r
\n" ); document.write( "\n" ); document.write( "    - Problems on Combinations\r
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