shamousa shamousa

15-02-2019
Mathematics

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a combination that would have the same answer as 250C247

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MrSmoot MrSmoot

15-02-2019

Answer:

Step-by-step explanation:

Choosing 247 things from a 250 would have the same number of possibilities as choosing 3 things from 250.

250C247 = 2,573,000

and

250C3 = 2,573,000

*Notice 247+3 = 250

To generalize the situation,

xCy = xC(x-y)

Here we'd have

250C247 = 250C(250-247)

or

250C247 = 250C3

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