YTDragonX YTDragonX

24-04-2021
Mathematics

contestada

Hae Suk flips a penny, a nickel, and a dime. How many ways can she get at least two heads?

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derekk2303 derekk2303

24-04-2021

she can at least get 2 heads in: 3C3 + 3C2 = 4 ways

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