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6. A tank contains 100-gallon of pure water. At time t = 0, a solution containing 2 lb of salt per gallon flows into the tank at a rate of 3 gallons per minute, and the well-stirred mixture flows out at
answered
Aug 24, 2021
Mathematics
high-school
5
votes
211k
views
Can someone explain what is electric energy???
answered
Aug 23, 2021
Physics
high-school
4
votes
118k
views
CAN SOMONE PLEASE HELP ME ASAP PLEASEEE!!!
answered
Jul 14, 2021
Mathematics
college
1
vote
62.9k
views
Whats the most likely result of schools opening back up during a pandemic?
answered
May 19, 2021
Health
college
4
votes
147k
views
What did congressdecide on the tariff issue?
answered
Apr 14, 2021
History
middle-school
6
votes
200k
views
Keiko, Juan, and Tony have a total of $80 in their wallets. Keiko has $5 less than Tony. Juan has 3 times what Tony has. How much does each have?
answered
Feb 23, 2021
Mathematics
high-school
7
votes
155k
views
Which two human activities are believed to be the greatest contributors to global warming? A) nonnative species introduction and the burning of fossil fuels B) deforestation and the burning of fossil fuels
answered
Jan 16, 2021
Biology
high-school
6
votes
161k
views
Fill in the blank with the conjugation of the verb in parenthesis. You have the stem change next to it. 1. Yo una Coca-Cola. (querer) (ie) 2. Nosotros una limonada. (preferir) (ie) 3. ¿A qué hora la clase,
answered
Jan 14, 2021
Spanish
middle-school
5
votes
197k
views
Science 5)what is the time of the first low tide on the graph?
answered
Dec 1, 2020
Biology
middle-school
1
vote
134k
views
Fertility has been _____ in developed countries. Select one: a. remains the same b. declining c. increasing
answered
Nov 25, 2020
Business
high-school
2
votes
227k
views
Read these lines from the poem. Thus I am lord of the Desert Land, And I will not leave my bounds, To crouch beneath the Christian’s hand, And kennel with his hounds: What do these lines suggest about
answered
Oct 22, 2020
English
middle-school
1
vote
162k
views
I need help step by step 0=x²-7x +10
answered
Oct 17, 2020
Mathematics
middle-school
4
votes
126k
views
Which of the following is the best example of claim/reason format? a. “I believe A and B are true” c. “B is a direct effect of A” b. “I believe A because of B” d. “A and B are both supported by C”
answered
Mar 5, 2020
English
middle-school
3
votes
32.5k
views
Which statement describes the punctuated equilibrium theory? A.species are constantly in stasis B.species change constantly because of a variety of factors C. Species stay the same for a long time and
answered
Nov 27, 2019
Biology
middle-school
4
votes
89.9k
views
How could labor unions get better wages for southern workers? A)They could negotiate with the owners. B)They could bribe the owners. C)They could blackmail the owners. D)They could threaten the workers
answered
Jun 25, 2019
Social Studies
college
1
vote
20.8k
views
What’s another name for blood
answered
May 25, 2019
Biology
middle-school
6
votes
36.7k
views
The ratio Of the number of people Who own a smart phone to the number of people who own a flip phone is 4 to 3. If 500 more people on a smart phone then I flip phone how many people on each type of phone
answered
May 23, 2019
Mathematics
middle-school
1
vote
36.6k
views
A pyramid and a rectangular prism have congruent bases and equal heights. Write a statement comparing the volume of the figures, explain your reasoning . Help please!
answered
Mar 28, 2019
Mathematics
high-school
3
votes
41.5k
views
Ignoring the effects of predators and disease, what will happen to this population of rats between fall and the next spring?
answered
Mar 1, 2019
Biology
high-school
4
votes
182k
views
Which sequence matches the recursive formula? an=2an-1+5, where a1=5. A) 5,10,15,20 B) 5,15,35,75. C)5,15,25,35. D) 5,20,35,40
answered
Feb 3, 2019
Mathematics
college
2
votes
3.4k
views
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