Mathematics, 07.01.2020 06:31 ajcain5597
James copied a symbol on each of 9 equal-sized strips of paper. he put a dot on 2 of them, a dash on 2 of them, and a pound sign on 5 of them. then, he put all the strips in a hat and pulled out 3 at random. how many different symbol combinations were possible?
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James copied a symbol on each of 9 equal-sized strips of paper. he put a dot on 2 of them, a dash on...
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