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Mathematics, 17.10.2019 16:40, Pipemacias1711
Leo found a metal bar that containment 284 grams of copper. after some tests, he determined that the bar was 80% copper. what was the total weight of the metal bar in grams?
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Mathematics, 21.06.2019 18:20, sweetbri7p5v6tn
Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions. a. x2 − 4x − 7 = 0b. 4r2 + 11r − 3 = 0c. 3m2 + 7 = 0d. t2 + 2t + 1 = 0
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Leo found a metal bar that containment 284 grams of copper. after some tests, he determined that the...
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