h1000rrh h1000rrh
  • 26-03-2018
  • Mathematics
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Ten students participated in a raffle to win a new computer. There are two new computers being given away, and two students will be chosen at random, one at a time, without replacement. How many possible ways are there to choose the two students?

45


20


100


90

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Аноним Аноним
  • 26-03-2018
hi, its 90, bye
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