Mathematics, 06.07.2019 23:30 231agoad
Many of the pesticides for citrus trees are toxic to fish. when the citrus groves on a large farm or treated with pesticides high winds deposited 1000 gallons of pesticides into a lake stocked with fish. to ensure survival of the fish 95% of the pesticides must be removed from the lake within 96 hours of contamination. there are two methods of removal: method a: the chemical engineers have proposed adding a chemical reagent to the pond to neutralize the pesticide. this chemical reagent removes the pesticide at a rate of 11 gallons per hour. method b: the mechanical engineers have proposed fitting the pond with a filtration system. this system removes 4% of the remaining pesticides each hour. which method would you recommend to save the fish?
Answers: 1
Mathematics, 21.06.2019 19:50
The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?
Answers: 2
Mathematics, 22.06.2019 04:10
Find the radius of a circle that has a circumference of 16. the formula for the circumference of a circle is c = 2tr, where r is the radius and c is the circumference. the equation solved for r is r = c over 2π. r=4 r= 8 r=12 r= 16
Answers: 1
Mathematics, 22.06.2019 05:10
Heather, sarah, nicky, and jill each have nine markers. how many markers do they have in all?
Answers: 2
Many of the pesticides for citrus trees are toxic to fish. when the citrus groves on a large farm or...
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