3. There are three line segments of the following lengths: 4.5 cm, 5.5 cm, and 10cm Which statement is true about these three line segments? A. These line segments can form a triangle because 4.5 + 5.5 is equal to 10. B. These line segments can form a triangle because 4.5 + 5.5 is less than 10. C. These line segments cannot form a triangle because 4.5 + 5.5 is greater than 10. D. These line segments cannot form a triangle because 4.5 + 5.5 is equal to 10.
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
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