Mathematics, 30.09.2019 16:30 kailinaguilar2187
How many of the numbers between 20 and 40 are prime numbers?
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The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.
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If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4
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How many of the numbers between 20 and 40 are prime numbers?...
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