Help me with these please
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Answers: 3
Mathematics, 21.06.2019 18:20
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
Answers: 1
Mathematics, 21.06.2019 22:50
Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables
Answers: 3
Mathematics, 22.06.2019 02:30
Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? a. 3x^2 + 38x + 55 b. 4x + 16 c. 5x + 16 d. 3x^3 + 38x^2 + 55x
Answers: 1
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
English, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01
Mathematics, 11.09.2020 14:01