Mathematics, 01.02.2021 23:00 cxttiemsp021
The perimeter of a square is represented by the expression 32x - 12.8. Draw a square to represent this situation and label its side lengths in your math notebook. Write three equivalent expressions for the perimeter in the space provided (one expression per box.)
Answers: 1
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.
Answers: 3
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
Answers: 2
The perimeter of a square is represented by the expression 32x - 12.8. Draw a square to represent th...
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