document.write( "Question 39197: i know the formula for permutations, but i don't know how to solve this problem. please help me!\r
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document.write( "joslyn's dance group consists of 8 girls and 5 boys. 4 people are to be chosen at random to perform at the next recital. if the group of performers must include at least 2 girls, in how many ways can the performers be chosen? \n" );
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Algebra.Com's Answer #24628 by Nate(3500)![]() ![]() ![]() You can put this solution on YOUR website! C(8,2)C(5,2)+C(8,3)C(5,1)+C(8,4)C(5,0) \n" ); document.write( "(28)(10)+(56)(5)+(70)(1) \n" ); document.write( "280 + 280 + 70 \n" ); document.write( "630 \n" ); document.write( " |