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29-11-2019
Mathematics

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A bag contains 12 pieces of candy. In how many weighs can 4 pieces be selected

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MathPhys MathPhys

29-11-2019

Answer:

495

Step-by-step explanation:

From 12, choose 4:

₁₂C₄ = 12! / (4! (12−4)!)

₁₂C₄ = 12! / (4! 8!)

₁₂C₄ = 495

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