Mathematics, 24.11.2020 04:10 ptrlvn01
What is the solution to the trigonometric inequality 2sin(x)+3>sin^2(x) over the interval 0<=x<=2pi
Answers: 1
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Which number completes the system of linear inequalities represented by the graph? y> 2x β 2 and x + 4y 2 et 2 3 4
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Mathematics, 22.06.2019 01:30
Find the vertex for the parabola given by the function Ζ(x) = β3x2 β 6x.
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Arandom sample of n = 25 observations is taken from a n(Β΅, Ο ) population. a 95% confidence interval for Β΅ was calculated to be (42.16, 57.84). the researcher feels that this interval is too wide. you want to reduce the interval to a width at most 12 units. a) for a confidence level of 95%, calculate the smallest sample size needed. b) for a sample size fixed at n = 25, calculate the largest confidence level 100(1 β Ξ±)% needed.
Answers: 3
Mathematics, 22.06.2019 05:30
To keep cylindrical tanks from tipping over, a designer is planning to enlarge the original area of the base by 50%. the new tank should have the same volume as the original. how should the designer change the height of the tank? a: make it 50% taller than the height of the original tank. b: make it 6623% taller than the height of the original tank c: make it 3313% shorter than the height of the original tank d: make it 50% shorter than the height of the original tank.
Answers: 1
What is the solution to the trigonometric inequality 2sin(x)+3>sin^2(x) over the interval 0<=x...
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