Mathematics, 25.08.2020 01:01 koolboy
In a different plan for area codes, the first digit could be any number from 2 through 5, the second digit was either 2, 3, 4, or 5, and the third digit could be any number except 4, 5, or 8. With this plan, how many different area codes are possible?
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How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.
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Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.
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In a different plan for area codes, the first digit could be any number from 2 through 5, the second...
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