Mathematics, 28.09.2019 19:30 itzdulce
What is the simplified result of following the steps below in order? (1) add 5y to 2x (2) multiply the sum by 3 (3) subtract x + y from the product
a. 5x + 14y
b. 5x + 16y
c. 5x + 5y
d. 6x + 4y
e. 3x + 12y
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, 22.06.2019 00:00
David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?
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Mathematics, 22.06.2019 00:00
The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle?
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What is the simplified result of following the steps below in order? (1) add 5y to 2x (2) multiply...
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