Solve the quadratic equation by completing the square
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Mathematics, 21.06.2019 18:00
What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers
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Mathematics, 21.06.2019 19:00
If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?
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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.
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Mathematics, 21.06.2019 22:00
In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.
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