[TAGALOG] COMBINATION of n objects taken r at a time I MATH 10 I Third Quarter
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- Опубликовано: 5 сен 2024
- Hello everyone! This video will help you understand combination of n objects taken r at a time easily.
Combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter.
C(n,r) = 𝑛!/(𝑛 −𝑟)!𝑟!
1. In how many ways can a coach choose three runners from among five runners?
2. How many different lotto tickets of three numbers must you purchase in a lottery for sure win if there are 12 numbers to choose?
3. How many lines can you draw using 3 non-collinear points X, Y, and Z on a plane?
4. How many diagonals can be drawn from a convex nonagon?
5. In how many ways can a coach select the first five players in a team with 8 members?
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Mathematics 10- 3rd Quarter: PERMUTATION
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