what is the probability that the number selected from 1 to 30 is a composite number when each of the number is equal like to be selected
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Common examples of coatings that prevent corrosion include paints, wax tapes, and varnish. Galvanization is the process of applying a protective layer of zinc on a metal. It is a very common method of preventing the rusting of iron.
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it's 15 answer
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because you add 15+15 the answer is 30
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