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We should stress again that the Carnot engine does not exist in real life: It is a purely theoretical device, useful for understanding the limitations of heat engines. Real engines never operate on the
answered
Aug 8, 2021
Physics
high-school
2
votes
77.2k
views
Calculate the density of mercury to the nearest tenth. Mass of mercury = 57 g Volume of mercury = 4.2 mL
answered
Jul 28, 2021
Biology
high-school
3
votes
38.3k
views
How did you think discrimination came into the world?
answered
Jul 10, 2021
History
middle-school
3
votes
199k
views
Someone must have beaten me here. Devora thinks, dismayed by the empty treasure chest. Then, just as she's about to close the lid, she notices a map (shown below). "Curse these trig-loving pirates!" Devora
answered
Mar 11, 2021
Mathematics
high-school
6
votes
361
views
HELP ME FIGURE THIS OUT
answered
Mar 9, 2021
Mathematics
middle-school
5
votes
82.7k
views
The romans built aqueducts to bring in fresh water. True or false
answered
Mar 6, 2021
English
college
3
votes
60.1k
views
At a store, the probability that a customer buys socks is 0.15. The probability that a customer buys socks given that the customer buys shoes is 0.20. Which statement is true? O A. Buying socks and buying
answered
Nov 30, 2020
Mathematics
middle-school
1
vote
31.7k
views
My father is 32 years old and his mother is twice as old. How old is my grandmother? answer please
answered
Aug 28, 2020
Mathematics
middle-school
2
votes
212k
views
what is popular sovereignty and which states were supposed to have the issue of slavery decided by it ?
answered
May 9, 2020
History
middle-school
3
votes
138k
views
Which event was most responsible for Richard Nixon's announcement of the end of the indian termination policy? For I-Ready.
answered
Apr 19, 2020
English
high-school
7
votes
226k
views
Which of the following describes an accident chain?
answered
Apr 13, 2020
Health
middle-school
3
votes
175k
views
X 0 1 2 3 4 ————————————- g(x) -3 -1 1 3 5 What is the slope of g
answered
Nov 26, 2019
Mathematics
middle-school
4
votes
155k
views
What is the capital of maryland
answered
Jun 18, 2019
Geography
middle-school
3
votes
3.0k
views
-4|x+5y| for x=7 and y=-3
answered
Apr 14, 2019
Mathematics
middle-school
2
votes
61.5k
views
Line m has a slope of -1 over 5. What is the slope of a line that is perpendicular to line m?
answered
Jan 30, 2019
Mathematics
college
3
votes
124k
views
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