Mathematics, 29.07.2019 02:00 aupein
What is the value of the function, then determine if the graph opening up or down f(x)=-5(x+7)^2+6? a. a= -5, opens down b. a= -5, opens up c. a= 7, opens up d. a= 7, opens down
Answers: 1
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
Mathematics, 21.06.2019 20:00, mharrington2934
What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?
Answers: 1
Mathematics, 21.06.2019 21:30, allisonboggs85
Two airplanes start at the same place and travel in opposite directions, one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?
Answers: 1
What is the value of the function, then determine if the graph opening up or down f(x)=-5(x+7)^2+6?...
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