Ex. Sarah and Jasmine wants to breed their fish. Sarah has one lionfish, one angelfish, two red devil fish, and one gold fish. Jasmine has one algea eater, one goldfish, and one catfish. What are the possible combinations?
Usually your teacher would tell you to make tree combination. But, the easiest way to find the total combinations is to multiply. Count all of the fish in each group and multiply them. Which would be 5x3 you would get 15 combinations.
There you have it!
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In mathematics a combination is a subset of a given set. The order in which the elements of the set are listed is irrelevant.
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Pure Mathematics is the branch of mathematics that deals only with mathematics and how it works - it is the HOW of mathematics. It is abstracted from the real world and provides the "tool box" of mathematics; it includes things like calculus. Applied mathematics is the branch of mathematics which applies the techniques of Pure Mathematics to the real world - it is the WHERE of mathematics; it includes things like mechanics. Pure Mathematics teaches you HOW to integrate, Applied mathematics teaches you WHERE to use integration.
Only a person who does not understand mathematics is disadvantaged. Mathematics in itself has no disadvantages.