Mathematics, 10.02.2021 21:00 Nathaliasmiles
Polynomials 3x^2+3 and4x^2−1? Enter your answer in simplest form in the boxes.
Answers: 2
Mathematics, 21.06.2019 19:30
The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?
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, 22.06.2019 00:00
Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet
Answers: 1
Polynomials 3x^2+3 and4x^2−1? Enter your answer in simplest form in the boxes....
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