Mathematics, 19.08.2020 02:01, Tnaaasty5901
6. Simplify: i) (a + b)(5a – 3b) + (a – 3b)(a – b) ii) (a – b) (a2 + b2 + ab) – (a + b) (a2 + b2 – ab) iii) (b2 – 49) (b + 7) + 343 okay, I know I posted this question before but, if you're giving your answers, please explain how you got it,
Answers: 1
Mathematics, 21.06.2019 19:10, Lewis5442
Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?
Answers: 1
Mathematics, 21.06.2019 19:10, chrischris1
In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth
Answers: 2
Mathematics, 21.06.2019 20:50, brea2006
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
6. Simplify: i) (a + b)(5a – 3b) + (a – 3b)(a – b) ii) (a – b) (a2 + b2 + ab) – (a + b) (a2 + b2 – a...
Mathematics, 14.12.2020 02:10
Physics, 14.12.2020 02:10
Mathematics, 14.12.2020 02:10
Mathematics, 14.12.2020 02:10
Chemistry, 14.12.2020 02:10