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Mathematics, 23.05.2020 14:57 smelcher3900
I can't solve that exercise: 21a² b² c³ - 14a³ b³ + 28a⁴ c²
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Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
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Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?
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I can't solve that exercise: 21a² b² c³ - 14a³ b³ + 28a⁴ c²...
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