Combinations Part I

Lesson:	520 - 0 Hour 52 Minutes
Summary:	This lesson is all about combinations and the difference between a combination and a permutation. Questions are done using the combination formula for numbers in lotteries, people on committees, cards in a standard deck, sums of money, etc. After this lesson, you will be able to: - answer combination questions involving lotteries, committees, cards, sums of money, etc. - solve equations using the combinations formula.
Question:

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You will have the best learning experience with Lesson 520 when you are familiar with the topics covered in the lessons listed below: Lesson 230 Solving Quadratic Equations by Factoring Lesson 505 Factorial Notation & Linear Permutations

Lessons in the permutations and combinations category:

• 500 The Fundamental Counting Principle
• 505 Factorial Notation & Linear Permutations
• 510 Linear Permutations with Restrictions
• 515 Circular & Ring Permutations
• 520 Combinations Part I
• 525 Combinations Part II
• 530 Pascal's Triangle and Pathways
• 535 The Binomial theorem