Mathematics, 12.05.2021 18:50 ayoismeisalex
Profit, P(x), is the difference between revenue, R(x), and cost, C(.), so P(x) = R(2) - C(2). Which expression represents P(x), if R(x) = 2x4 3.23 + 2x - 1 and C(2) 24 22 + 2x + 3?
Answers: 1
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Write an algebraic expression for the word expression the quotient of c and 8
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Mathematics, 21.06.2019 18:20
The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?
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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 21:30
Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.
Answers: 2
Profit, P(x), is the difference between revenue, R(x), and cost, C(.), so P(x) = R(2) - C(2). Which...
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