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The half-life of a certain radioactive material is 78 hours. an initial amount of the material has a mass of 790 kg.. write an exponential function that models the decay of this material. find how much radioactive material remains after. 18 hours. round your answer to the nearest thousandth
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The perimeter of a square is80-64y units. which expression can be used to show the side length of one side of the square?
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Cameron made 1 loaf of bread. his family ate 4/6 of the loaf of bread. how much of the loaf of bread remains? /
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Mathematics, 21.06.2019 17:30
If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 Ă— 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)
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The half-life of a certain radioactive material is 78 hours. an initial amount of the material has a...
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