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a lake with volume 5e6 m3 has a freshwater flow of 20 m3/s. waste is dumped into lake at 50 g/s with a decay rate of 0.2/d. what is the steady state contaminant concentration in the lake in mg/l if the
answered
Dec 1, 2023
Chemistry
high-school
4
votes
68.1k
views
Which inequality does this graph show?
answered
Aug 23, 2023
Mathematics
middle-school
7
votes
22.3k
views
It takes you 52 seconds to walk from the first (ground) floor of a building to the third floor. How long will it take you to walk from the first floor to the sixth floor (at the same pace, assuming
answered
Jul 15, 2023
Mathematics
college
6
votes
195k
views
Some anguish and pain, because, today is exactly 54 years marking his death - Franklin Delano Roosevelt died on April the 12th, 1945. So he is very much present to me and to us. No doubt, he was a great
answered
Dec 9, 2022
English
college
4
votes
134k
views
elizabeth has 10$, $5 and $1 dollar bills worth 101$. She has five more 5$ bills than 10$ bills and four times as many 1$ bills. How many bills of each kind does elizabeth have?
answered
Nov 18, 2022
Mathematics
middle-school
3
votes
231k
views
____ is the most influential factor in forming eating habits at a young age. Community Family Media School
answered
Oct 17, 2022
Health
high-school
4
votes
185k
views
Valerie regularly generates sales reports from her organization's data warehouse. She uses these reports to create presentations. Some tables in the data warehouse show changes in naming conventions. Which
answered
Jul 24, 2022
Computers and Technology
high-school
0
votes
3.7k
views
Calculate how many grams of sodium acetate you expected to make from your starting amount of sodium bicarbonate (0.5g). This is your theoretical yield. Equation: NaHCO3 + HC2H3O2 = NaC2H3O2 + H2O + CO2
answered
Jun 21, 2022
Chemistry
college
5
votes
206k
views
Which of the following is equivalent to the expression 2(1-x)+3x
answered
May 20, 2022
Mathematics
college
4
votes
135k
views
Which of the following represents, the difference of a number squared and four is less than or equal to five.
answered
Apr 20, 2022
Mathematics
middle-school
6
votes
58.5k
views
Which sentence contains an infinitive?
answered
Oct 25, 2021
English
college
7
votes
73.1k
views
Catherine paid $200.34 for an MP3 player. If the price paid includes a 6% sales tax, which of the following equations can be used to determine the price of the MP3 player before tax? (Let x represent the
answered
Oct 12, 2021
Mathematics
high-school
6
votes
36.5k
views
Choose a career in the digital arts, as described in the unit, that interests you. Detail the kind of education you will need to pursue a career in that field. plz help
answered
Jul 31, 2021
Arts
middle-school
1
vote
11.8k
views
You have 75 carrot sticks and 49 celery sticks you want to use them all. What is the greatest number of snack bags you can make?
answered
Jul 5, 2021
Mathematics
high-school
5
votes
135k
views
Given f(x)=10-2x, find f(7)
answered
Apr 6, 2021
Mathematics
college
4
votes
184k
views
In 1994 the city of Anoka had a population of 18,000 people. Since then the population has grown by 5.2% each year. In 1994 the city of Minneapolis had a population of 390,000 and has been decreasing by
answered
Mar 19, 2021
Mathematics
college
6
votes
9.4k
views
The formation of a product in the reaction is based on what
answered
Mar 6, 2021
Physics
middle-school
6
votes
105k
views
A ball at the end of a string is swinging in a horizontal circle of radius 0.85 m. The ball makes exactly 3 revolutions per second. What is its centripetal acceleration?
answered
Feb 12, 2021
Physics
college
3
votes
171k
views
Help please, answer correctly! (50+ points!)
answered
Feb 11, 2021
Social Studies
high-school
5
votes
27.8k
views
What’s the correct answer for this?
answered
Jan 28, 2021
Mathematics
college
4
votes
103k
views
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