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Mathematics, 21.06.2019 16:00
Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle
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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 23:00
Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42
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Mathematics, 19.06.2020 18:57
Mathematics, 19.06.2020 18:57
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