Mathematics, 30.05.2020 20:59 dntestkly4581
Para la construcción de un nuevo centro comercial de dos niveles, de 6m de altura cada uno, se están acondicionando dos escaleras mecánicas (subida y bajada) el ingeniero encargado de la obra sugiere que debe tener una pendiente m=1/√3,como máximo. ¿cual sera la longitud de la escalera eléctrica?
Answers: 2
Mathematics, 21.06.2019 15:10
Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.
Answers: 1
Mathematics, 21.06.2019 20:50
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.
Answers: 3
Mathematics, 21.06.2019 22:00
Find two consexutive odd integers such that the sum of their square is 650
Answers: 2
Para la construcción de un nuevo centro comercial de dos niveles, de 6m de altura cada uno, se están...
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