Mathematics, 15.04.2021 01:50, taryn2256
A metal bar contains 4.89 ounces of silver, which is 60% of the total weight of the bar. How much does the metal bar weight?
Answers: 2
Mathematics, 21.06.2019 19:40, evarod
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
Mathematics, 21.06.2019 23:00, rosier2230
Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x
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Mathematics, 22.06.2019 01:00, zhellyyyyy
Find all the angles that satisfy the equation cos(θ)=32
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A metal bar contains 4.89 ounces of silver, which is 60% of the total weight of the bar. How much do...
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