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Math Help - How many? Using the Alphabet - Please help

  1. #1
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    How many? Using the Alphabet - Please help

    How many 3-letter strings that have exactly 2 letters the same can be formed using the English Alphabet?
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  2. #2
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    Please tell what you think the answer should be.
    That is show us some effort.
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    Quote Originally Posted by Plato View Post
    Please tell what you think the answer should be.
    That is show us some effort.
    With all honesty i dont even no how to approach this problem.
    I took a book out of the library with a bunch of these kind of problems and im trying to do them but i dont seem to grasp it
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  4. #4
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    Quote Originally Posted by kensington View Post
    With all honesty i dont even no how to approach this problem.
    I took a book out of the library with a bunch of these kind of problems and im trying to do them but i dont seem to grasp it
    This is not a tutorial service. We are not prepared to teach material here.
    Surely that book has examples worked out in it.
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