Mathematics, 04.12.2020 15:40 Sshadøw
The length of a rectangle is 4 in longer than its width. If the perimeter of the rectangle is 48 in, find its area.
Answers: 3
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Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?
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An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?
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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
The length of a rectangle is 4 in longer than its width.
If the perimeter of the rectangle is 48 in...
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