EricaLSH1173 EricaLSH1173
  • 15-06-2019
  • Mathematics
contestada

There are 7 people on a cycling team. Their coach mush pick two of them to be Co - Captain. How many different pairs can the couch choose?

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robert20000 robert20000
  • 16-06-2019
21, because 7 choose 2 = 21
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