Mathematics, 20.03.2020 12:09 coolkason
An oil refinery is located on the north bank of a straight river that is 1 km wide. A pipeline is to be constructed from the refinery to storage tanks located on the south bank of the river 9 km east of the refinery. The cost of laying pipe is $500,000/km over land to a point P on the north bank and $1,000,000/km under the river to the tanks. To minimize the cost of the pipeline, how far from the refinery should P be located
Answers: 2
Mathematics, 21.06.2019 17:30, allisonlillian
Select the quadratic that has root x = 8 and x = -5
Answers: 3
Mathematics, 22.06.2019 03:00, ninigilford
Ben frank is an electrician who installs lighting fixtures. he charges (in dollars) his clients 15h+40f15h+40f where hh is the number of hours worked and ff is the number of fixtures installed. how much does ben frank charge when he works 77 hours and installs 99 fixtures?
Answers: 1
An oil refinery is located on the north bank of a straight river that is 1 km wide. A pipeline is to...
History, 22.04.2020 03:14
Mathematics, 22.04.2020 03:14
Mathematics, 22.04.2020 03:14
Social Studies, 22.04.2020 03:14
Biology, 22.04.2020 03:14