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An object of irregular shape has a characteristic length of L 1 m and is maintained at a uniform surface temperature of Ts 400 K. When placed in atmospheric air at a temperature of T 300 K and moving with
answered
Jul 7, 2020
Physics
college
5
votes
130k
views
Write an expression to represent the sum of the numbers in the nth row of Pascal’s triangle. a. n/2 c. 2n b. n² d. 2n Please select the best answer from the choices provided A B C D
answered
Feb 3, 2020
Mathematics
high-school
3
votes
149k
views
Which best describes the purpose of the “thumb-nail”
answered
Dec 26, 2019
History
middle-school
4
votes
165k
views
HELP ASAP PLEASE. lines are graphed below. What can we conclude about them? Select all that apply.
answered
Apr 27, 2019
Mathematics
high-school
5
votes
151k
views
What is the base pair rule for dna strand matching an rna strand?
answered
Feb 24, 2019
Biology
high-school
4
votes
197k
views
If necessity is the mother of invention, then play can be said to assume the paternal role of the creative process.
answered
Jan 15, 2019
Social Studies
high-school
6
votes
82.5k
views
This image shows a square pyramid. What is the surface area of this square pyramid?
answered
Jan 11, 2019
Mathematics
high-school
3
votes
15.8k
views
The three items listed above are called the Reconstruction Amendments. What was the main purpose of these three amendments?
answered
Jun 12, 2018
History
middle-school
5
votes
56.4k
views
What is the image of (1, -6) for a 270° counterclockwise rotation about the origin? (-1, -6) (-1, 6) (-6, -1) (6, 1)
answered
May 26, 2018
Mathematics
high-school
4
votes
98.6k
views
The concept of separation and balance of powers in the Constitution refers to which of these situations? A) a separation of powers between various executive departments B) a separation of powers between
answered
May 11, 2018
Social Studies
middle-school
1
vote
207k
views
How did the telescope help make the Scientific Revolution possible?
answered
Feb 14, 2018
History
high-school
5
votes
33.0k
views
Sierra Club members are ___ of environmental protection. A. mediums B. proponents C. impostors D. expositions
answered
Oct 19, 2017
English
middle-school
3
votes
141k
views
Jakes has $20 to spend on notebooks and pencils the notebooks and pencils. the notebooks cost 3.25 and the pencils cost $.50 what is the maximum number of notebooks he can buy if he buys 8 pencil
answered
Aug 4, 2017
Mathematics
high-school
1
vote
224k
views
Because the American news industry is dependent on advertising revenues to function and make a profit, decisions about news items may depend on.
answered
Feb 10, 2017
History
high-school
6
votes
183k
views
who does the number, of zeros in the product of 8 and 5000 compara to the number of zeros in the factors ? explain.
answered
Aug 29, 2016
Mathematics
middle-school
6
votes
152k
views
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