Mathematics, 14.12.2020 23:10 Izzyfizzy
Determine the number of real solutions each quadratic equation has. y = 12x2 - 9x + 4 real solution(s) 10x + y = -x2 + 2 real solution(s) 4y - 7 = 5x2 - x + 2 + 3y real solution(s) y = (-x + 4)2 real solution(s)
Answers: 2
Mathematics, 21.06.2019 16:30
Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?
Answers: 1
Mathematics, 21.06.2019 19:00
How much orange juice do you need to make 2 servings of lemony orange slush?
Answers: 1
Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Determine the number of real solutions each quadratic equation has. y = 12x2 - 9x + 4 real solution(...
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