document.write( "Question 815003: How many different sequences of ten flips of a coin result in five heads and five tails? \n" ); document.write( "
Algebra.Com's Answer #490698 by Edwin McCravy(20065)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "There are 10 flips, flip#1, flip#2, ..., flip#9, and flip#10\r\n" );
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document.write( "\"10 flips, choose 5\" of those flips to be heads, and for each choice \r\n" );
document.write( "of 5 flips to be heads, you can choose the other 5 to be tails in\r\n" );
document.write( "just 1 way,and that is to choose them all tails.\r\n" );
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document.write( "Some people write it C(10,5), some write it 10C5, some write it\r\n" );
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document.write( "10C5, and some write it \"%28matrix%282%2C1%2C10%2C5%29%29\".\r\n" );
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document.write( "But it means \"The combinations of 10 things taken 5 at a time, and it\r\n" );
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document.write( "can be calculated \"10%21%2F%285%215%21%29\" =  \r\n" );
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document.write( "Cancel what will cancel and multiply the rest out and you'll get 252.\r\n" );
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document.write( "Or you can do it on your TI-83 or 84.\r\n" );
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document.write( "Press ON\r\n" );
document.write( "Press CLEAR\r\n" );
document.write( "Type in the number 10\r\n" );
document.write( "Press MATH\r\n" );
document.write( "Press the left arrow key\r\n" );
document.write( "Press 3\r\n" );
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document.write( "You wiil see 10 nCr and a blinking cursor\r\n" );
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document.write( "Type in the number 5\r\n" );
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document.write( "You wiil see 10 nCr 5 and a blinking cursor\r\n" );
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document.write( "Press ENTER\r\n" );
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document.write( "You will see 252.\r\n" );
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document.write( "Edwin
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