Mathematics, 10.12.2020 06:10 eharris2694
If 8 g of a radioactive substance are present initially and 8 yr later only 4.0 g remain, how much of the substance, to the nearest tenth of a gram, will be present after 11 yr?
Answers: 1
Mathematics, 21.06.2019 13:50
At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 Οr2h.)
Answers: 3
Mathematics, 22.06.2019 03:00
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
If 8 g of a radioactive substance are present initially and 8 yr later only 4.0 g remain, how much o...
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