Mathematics, 28.01.2021 19:50 janiyaf8941
Ava solved the compound inequality StartFraction x over 4 EndFraction plus 7 less than negative 1 or 2 x minus 1 greater than or equal to 9. + 7 < –1 or 2x – 1 ≥ 9 for all possible values of x. Which graph represents the solution set? A number line with a point at negative 32 with a bold line pointing to the left and an open circle at 5 with a bold line pointing to the right. A number line with an open circle at negative 32 with a bold line pointing to the left and a point at 5 with a bold line pointing to the right. A number line with a point at negative 32 with a bold line pointing to the right stopping at the open circle at 5. A number line with an open circle at negative 32 with a bold line pointing to the right stopping at the point 5.
Answers: 2
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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Pls what is the relative minimum of the function? enter your answer in the box
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Ava solved the compound inequality StartFraction x over 4 EndFraction plus 7 less than negative 1 or...
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