Mathematics, 31.01.2020 11:50 lsutton6501
4. gavin and seiji both worked hard over the summer. together, they earned a total of $425. gavin earned $25 more than seiji. how much did each of them earn?
a. write a system of two equations with two variables to model this problem.
b. use substitution or the elimination method to solve the system
Answers: 3
Mathematics, 21.06.2019 20:50, brea2006
An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.
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Mathematics, 21.06.2019 23:00, mattdallas6214
Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was
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Mathematics, 21.06.2019 23:30, adriandehoyos1p3hpwc
Write the percent as a fraction or mixed number in simplest form. 0.8%
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Mathematics, 22.06.2019 03:00, ERIKALYNN092502
What is the slope of the line that has an equation of y equals x -3
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4. gavin and seiji both worked hard over the summer. together, they earned a total of $425. gavin ea...
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