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Oil enters a counterflow heat exchanger at 600 K with a mass flow rate of 10 kg/s and exits at 200 K. A separate stream of liquid water enters at 20°C, 5 bar. Each stream experiences no significant change
asked
Sep 15, 2021
Engineering
college
1
answer
5
votes
130k
views
Simplify: (4x® – 3x + 2x2 – 7) - (24 + 2x² - 4x – 3) Hurry!!!
asked
Jul 2, 2021
Mathematics
high-school
2
answers
4
votes
192k
views
The demand equation for blue jeans in the U.S. is QD = 500 - 7P, and the supply equation for blue jeans is QS = 20 + 3P, where P is the price per pair of blue jeans and QD and QS are in 1,000’s of blue
asked
Jun 26, 2021
Business
college
1
answer
0
votes
117k
views
Please help me!!!!! i need it in 10 minutes
asked
Apr 18, 2021
English
high-school
1
answer
3
votes
1.3k
views
Can you please answer this question?
asked
Apr 14, 2021
Mathematics
college
1
answer
0
votes
195k
views
The passage was found near 50 degrees S of ________. a Greenwich b The equator c Spain d Portugal
asked
Feb 24, 2021
English
high-school
1
answer
0
votes
46.8k
views
How does the gravity of earth affect the moon? (for science)
asked
Feb 1, 2021
Physics
high-school
1
answer
3
votes
142k
views
City Advertising Services hired a new accounting manager. He signed a contract for a new accounting information system, but his position did not specify whether he was authorized to do so or not. Which
asked
Apr 22, 2020
Business
college
1
answer
0
votes
22.6k
views
College students at 50 campuses around the country were polled to find out how many students own smartphones. This small representative group of students is called a:
asked
Feb 27, 2020
English
high-school
1
answer
5
votes
70.9k
views
What does an element look like
asked
Jul 22, 2019
Physics
middle-school
1
answer
2
votes
136k
views
The maximum attainable age by humans is thought to be _____ years.
asked
Jul 5, 2019
Biology
high-school
1
answer
2
votes
10.3k
views
What is Roosevelt’s claim about the role our forbearers in conservation?
asked
Jun 28, 2019
English
middle-school
1
answer
2
votes
83.7k
views
What is the main purpose of an argumentative essay? A) to compare two different perspectives on an issue B) to provide a detailed description of an event or idea C) to discredit people who oppose your
asked
Oct 24, 2018
History
high-school
1
answer
0
votes
39.3k
views
A teen named randy gardner wanted to prove that sleep deprivation has no effect. what did his experiment demonstrate? sleep deprivation can be dangerous. randy became paranoid and forgetful. randy could
asked
Oct 11, 2018
Social Studies
high-school
2
answers
4
votes
126k
views
Simplify 12^3/12^7 URGENT!!
asked
Oct 2, 2018
Mathematics
college
2
answers
1
vote
81.5k
views
Which math sentence can be used to determine if this triangle is a right triangle? A. 20+21=29 B. 20²+21²=29² C. 29+21=20 D. 29²+21²=20²
asked
Jun 6, 2018
Mathematics
high-school
2
answers
4
votes
89.4k
views
What evidence did wegener make use of to develop the theory of the continental drift?
asked
May 10, 2018
Geography
middle-school
2
answers
5
votes
119k
views
The United States is an example of a democratic country with a specific __________. A. bill of rights B. prime minister C. charter of freedoms D. parliamentary system
asked
Jun 3, 2017
History
high-school
2
answers
2
votes
87.1k
views
What is 8 to the second power open parentheses 3x - 2 closed parentheses + 5 = 56. solve for x
asked
Dec 4, 2016
Mathematics
high-school
1
answer
4
votes
169k
views
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