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Mathematics, 21.06.2019 20:00
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0
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Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least âc.â using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least âcâ?
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Mathematics, 21.06.2019 22:00
In ÎŽabc, mâ acb = 90°, cd â„ ab and mâ acd = 45°. find: a find cd, if bc = 3 in
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Mathematics, 21.06.2019 22:30
Convert (-3,0) to polar form. a. (3,0â) b. (-3,180â) c. (3,180â) d. (3,360â)
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What is $75 plus 6.75%...
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