Mathematics, 31.08.2020 21:01 maribelarreolap4sgpj

Phytoremediation is the use of plant growth to purify pollutants from soil, water, or air. Suppose that a crop of brake ferns can remove 15 milligrams (\text{mg})(mg)left parenthesis, start text, m, g, end text, right parenthesis per square meter of a particular pollutant from the soil in 20 weeks. After 20 weeks, the ferns are harvested and a new crop is planted. If ccc represents the number of crops of brake ferns needed to phytoremediate soil contaminated with 170\,\text{mg}170mg170, start text, m, g, end text per square meter of the pollutant down to healthy levels of 5\,\text{mg}5mg5, start text, m, g, end text per square meter, which equation best models the situation?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 16:00

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

Answers: 2

Answer

Mathematics, 22.06.2019 00:00

Urgent! 20 points! here is a you are the new manager at trusty goods wholesale produce. you need to figure out how to adjust the amount of produce in your notes after the events of the day: you got 5 more crates of bananas someone returned 2 crates of apples a worker dropped a crate of grapes (oh no! , you had to throw them out) you sold a crate of bananas you sold 5 crates of apples can you write an expression to describe your day using: "a" for crates of apples "b" for crates of bananas and "g" for crates of grapes? make sure the expression is in simplest form question 2 (3 points) explain your steps using sentences.

Answers: 1

Answer

Mathematics, 22.06.2019 00:40

M? aoc=96 ? space, m, angle, a, o, c, equals, 96, degree \qquad m \angle boc = 8x - 67^\circm? boc=8x? 67 ? space, m, angle, b, o, c, equals, 8, x, minus, 67, degree \qquad m \angle aob = 9x - 75^\circm? aob=9x? 75 ? space, m, angle, a, o, b, equals, 9, x, minus, 75, degree find m\angle bocm? bocm, angle, b, o, c:

Answers: 2

Answer

Mathematics, 22.06.2019 01:00

Asandwich shop has 18 tables. each table seats up to 4 people. to find the greatest number of people that can be seated, you can solve p4 ≤ 18. which step is the best way to solve the inequality? plz asap i repeat plz

Answers: 2

Answer

You know the right answer?

Phytoremediation is the use of plant growth to purify pollutants from soil, water, or air. Suppose t...

Questions

Mathematics, 11.02.2021 02:40

It usually takes you 1 1/4 hours to get home. One day, traffic was slowed by bad weather and it took you 2 1/2 hours to get home. How much longer did...

Mathematics, 11.02.2021 02:40

Factor the following binomial completely. 9p^2-49q^2...