Mathematics, 14.12.2020 09:50 struckedblazing
What is the value of x in the equation: 9(3x - 1) = 3(9x - 3)
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On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
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An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.
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Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.
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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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What is the value of x in the equation: 9(3x - 1) = 3(9x - 3)...
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