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Radium-221 has a half-life of 30 seconds. How long will it take for 80% of a sample to decay
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What is the domain and range of each function 1. x (3, 5, 7, 8, 11) y ( 6, 7, 7, 9, 14) 2. x (-3, -1, 2, 5, 7) y (9, 5, 4, -5, -7)
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Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.
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Mathematics, 21.06.2019 20:30
Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?
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50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.
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Radium-221 has a half-life of 30 seconds. How long will it take for 80% of a sample to decay...
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