Mathematics, 18.03.2021 21:40 jcbballer
Find the discriminant and determine the number of real roots for each equation. -9x^2 + x - 7 = 0
Answers: 1
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Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.
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An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest
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Mathematics, 21.06.2019 18:20
What is the solution set of the quadratic inequality x^2-5< or equal to 0
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Find the discriminant and determine the number of real roots for each equation.
-9x^2 + x - 7 = 0...
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