4. DETAILS HARMATHAP12 10.4.021. MY NOTES ASK YOUR TEACHE The base of a rectangular box is to be twice as long as it is wide. The volume of the box is 256 cubic inches, The material for the top costs $0.50 per square inch and the material for the sides and bott costs $0.25 per square inch. Find the dimensions that will make the cost a minimum. length in width in height in
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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