Mathematics, 08.04.2020 22:22 marofthejt9089
This problem involves lists made from the letters T, H, E, O, R, Y, with repetition allowed. (a) How many 4-letter lists are there that donât begin with T, or donât end in Y? (b) How many 4-letter lists are there in which the sequence of letters T, H, E appears consecutively (in that order)? (c) How many 6-letter lists are there in which the sequence of letters T, H, E appears consecutively (in that order)?
Answers: 3
=5Ă6Ă6Ă6=1080
=6Ă6Ă6Ă5=1080
=5Ă6Ă6Ă5=900
=1080+1080-900=1260
=12
=216+216=432
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This problem involves lists made from the letters T, H, E, O, R, Y, with repetition allowed. (a) How...
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