Mathematics, 21.05.2020 19:10, lilly9240
Jack recently planted a beanstalk and decided to measure its height each day. Jack plotted the following points on a graph, where the x-axis represented the day and the y-axis represented the height of his new beanstalk: (0,0); (1,2); (2,4); (3,6); (4,8); (5,10).
Which of the following correctly interprets the average rate of change?
A. Jack's beanstalk grew 2 units every day.
B. Jack's beanstalk grew 2 units every three days.
C. Jack's beanstalk grew 1 unit every day.
D. Jack's beanstalk grew 1 unit every two days.
Answers: 3
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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.
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Mathematics, 21.06.2019 23:00, shawdyylinda
The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?
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Jack recently planted a beanstalk and decided to measure its height each day. Jack plotted the follo...
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