Mathematics, 09.11.2019 17:31 dessera12
You can work at most 20 hours next week. you need to earn at least $130 to cover your weekly expenses. your pizza delivery job pays $10.50 per hour and your job as a car wash attendant pays $7.50 per hour. write a system of linear inequalities to model the situation.
Answers: 3
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
700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?
Answers: 1
Mathematics, 21.06.2019 23:00
Mr. rose asked his students to draw a quadrilateral with 4 unequal sides. draw an example of this kind of quadrilateral.
Answers: 2
Mathematics, 22.06.2019 04:00
Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?
Answers: 2
You can work at most 20 hours next week. you need to earn at least $130 to cover your weekly expense...
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