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Whats the radius of a sphere if its volume is 1928pi
answered
Apr 16, 2021
Mathematics
middle-school
7
votes
21.1k
views
In an engine, a piston oscillates with simple harmonic motion so that its position varies according to the expression x= 5.0 cos (2t + 3.1416/6 Where x is in centimeter and t is seconds. At t=0, Find a)
answered
Mar 24, 2021
Physics
high-school
1
vote
166k
views
Solve this: 2-2÷2×2+2
answered
Mar 19, 2021
Mathematics
college
4
votes
101k
views
HELP PLEASE ASAPPPPPP Which of the following is the BEST description of a sound wave? A)a traveling surface wave B)a stationary pressure wave C)a stationary mechanical wave D)a moving region of high pressure
answered
Jan 3, 2021
Physics
middle-school
2
votes
132k
views
a man drags a 8.10 kg bag of mulch at a constant speed, applying a 29.5 N at 38°. what is the coefficient of friction?
answered
Oct 27, 2020
Physics
middle-school
4
votes
35.0k
views
An 82-year-old female with nausea and vomiting has called 911. When obtaining her past medical history, she informs you that she suffered a transient ischemic attack (TIA) two months ago. Based on this
answered
Oct 2, 2020
Biology
high-school
1
vote
51.2k
views
1. Assume that R and S are symmetric relations on a set A. Prove that Rns is symmetric.
answered
Sep 25, 2020
Mathematics
college
0
votes
121k
views
What are three annotation notes that could be made in a text?
answered
Aug 10, 2020
English
middle-school
4
votes
226k
views
A bird sitting on top of a stop sign notices a piece of food on the ground, 11 ft from the base of the stop sign. If the bird has to look down at a 39° angle of depression in order to see the piece of
answered
May 21, 2020
Mathematics
middle-school
3
votes
167k
views
A bottle of medicine contains 36 doses. How many doses are in 1 3/4 bottles?
answered
Feb 22, 2020
Mathematics
middle-school
4
votes
80.1k
views
Which European nation had some involvement in both the unification of Italy and Germany? A. Britain B. Austria C. Spain D. Portugal
answered
Aug 27, 2019
History
college
4
votes
23.9k
views
The combustion of a single molecule of methane produces about 10 ev of energy. a methane molecule has a mass of 16 amu. the fission of a uranium-235 atom produces about 189 mev of energy. based on these
answered
Aug 10, 2019
Physics
college
2
votes
205k
views
Arrange the events in the order in which they happened. People start to domesticate plants and animals. Settlements begin to have defined boundaries. Agriculture allows people to live in one place.
answered
Jul 14, 2019
History
high-school
1
vote
203k
views
The mean, median and mode are typically the same when a sample exhibits significant dispersion. a. True b. False
answered
Jun 11, 2019
Mathematics
high-school
4
votes
46.7k
views
What is the vertex and axis of symmetry of -2x^2+8x-5
answered
Aug 6, 2018
Mathematics
high-school
3
votes
166k
views
Shi Huangdi was the first emperor of a united China. Which of these changes occurred in China under his leadership?
answered
Jul 18, 2018
Geography
middle-school
4
votes
135k
views
Obama is the 44th president, but there have only been 43 presidents. true or false?
answered
Mar 25, 2018
Social Studies
high-school
3
votes
46.7k
views
The Federal Reserve wants to increase the money supply in the United States. What is the Federal Reserve likely to do to accomplish this? A) reduce the discount rate B) sell securities on the open market
answered
Mar 10, 2018
Business
high-school
4
votes
157k
views
Which of the following is the most common gas in the troposphere A. carbon dioxide B. nitrogen C. oxygen D. water vapor
answered
Jul 8, 2017
Chemistry
middle-school
2
votes
16.5k
views
Is the sentence compound, or is it simple with a compound verb? That's a stylish lamp, but it doesn't give very good light for reading. A. compound sentence B. simple sentence with a compound verb
answered
Jun 24, 2017
English
high-school
7
votes
27.9k
views
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