A True
Mathematics, 14.04.2021 14:00 changemyfate69
Is the following statement true or false?
A parabola opens up when a is positive.
A True
B False
Answers: 3
Mathematics, 21.06.2019 16:50, Kianna000
Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.
Answers: 3
Mathematics, 21.06.2019 19:40, evarod
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
Is the following statement true or false?
A parabola opens up when a is positive.
A True
A True
Spanish, 27.07.2019 14:40
Mathematics, 27.07.2019 14:40
Mathematics, 27.07.2019 14:40