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Water pours into a tank at the rate of 2000 cm3/min. The tank is cylindrical with radius 2 meters. How fast is the height of water in the tank changing when the height of the water is 50 cm?
answered
Dec 27, 2021
Mathematics
college
2
votes
218k
views
If Jim is x years old now, and his sister is twice as old, how old was his sister 7 years ago?
answered
Dec 18, 2021
Mathematics
high-school
3
votes
45.0k
views
Explain why it is important for a scientist to communicate the results and conclusions of a study
answered
Sep 26, 2021
Biology
high-school
4
votes
202k
views
A Fair coin is tossed 4 times. What is the probability of not getting all heads?
answered
Aug 1, 2021
Mathematics
high-school
4
votes
210k
views
PLEASE HELP!! The scientific method is a process that scientists use to investigate something in the natural world. Which of these best describes the difference between a scientist collecting data and
answered
Jul 30, 2021
Chemistry
college
3
votes
150k
views
What is the most important reason that it was beneficial england had a large amount of coal
answered
Jul 1, 2021
History
middle-school
2
votes
170k
views
The cell responsible for secreting the matrix of cartilage is the:_______.
answered
May 19, 2021
Biology
college
2
votes
18.5k
views
Se colocan tres objetos, muy cerca uno del otro, dos al mismo tiempo. Cuando se juntan los objetos A y B, se repelen. Cuando se acercan los objetos B y C, se repelen. De los siguientes enunciados, ¿cuál
answered
Apr 15, 2021
Physics
high-school
2
votes
96.5k
views
Whats a+mc (64800)+208x24070+b equal?
answered
Apr 2, 2021
Mathematics
middle-school
0
votes
161k
views
Please could I have some Help :)
answered
Feb 18, 2021
Mathematics
middle-school
1
vote
157k
views
A student performs an experiment to determine the density of a sugar solution. She obtains the following results: 1.79 g/mL, 1.81 g/mL, 1.80 g/mL, 1.81 g/mL. If the actual value for the density of the
answered
Jan 17, 2021
Chemistry
high-school
3
votes
163k
views
Simplify √( - 48)
answered
Sep 18, 2020
Mathematics
middle-school
3
votes
148k
views
One of the differences between a plant and animal cell can be found surrounding the outer cell structure of the plant cell. This part of the plant cell is made of specialized sugars called cellulose. It
answered
Sep 17, 2020
Biology
middle-school
4
votes
160k
views
I need help on how to solve these only #17,19
answered
Apr 23, 2020
Mathematics
middle-school
3
votes
213k
views
Which factor most strongly contributed to the breakup of the former yugoslavia beginning in 1991?
answered
Mar 2, 2020
History
middle-school
5
votes
159k
views
1. Assuming one equivalent of NaBH4 can reduce 4 equivalents of carbonyl functional groups, calculate the minimum amount of NaBH4 required to fully reduce 0.35 mmol of Benzil. Indicate if the the NaBH4
answered
Jan 11, 2020
Chemistry
college
4
votes
193k
views
(-2,9), (-7,7) find the midpoint
answered
Aug 31, 2019
Mathematics
middle-school
3
votes
166k
views
Summarize the Vietnam war in four sentences, in your own words!
answered
Jun 18, 2019
History
high-school
1
vote
198k
views
The selection of federal judges by the executive branch is an example of
answered
Jan 11, 2019
History
middle-school
5
votes
121k
views
Yesterday the temperature at noon was 11.4°F. By Midnight, the temperature had decreased by 15.7 degrees. What was the temperature at midnight?
answered
Jan 9, 2019
Mathematics
middle-school
2
votes
181k
views
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