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A refrigerator uses refrigerant-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. The refrigerant enters the evaporator at 120
answered
Jan 18, 2021
Engineering
college
2
votes
1.2k
views
Translate these statements into English, where R(x) is "x is a rabbit "and H(x) is "x hops" and the domain consists of all animals. a) ∀x(R(x) → H(x)) b) ∀x(R(x) ∧ H(x)) c) ∃x(R(x) → H(x)) d) ∃x(R(x) ∧
answered
Dec 22, 2020
Mathematics
high-school
4
votes
162k
views
Which best describes how blood pressure is measured and why is it important
answered
Sep 13, 2020
Health
middle-school
4
votes
14.2k
views
According to "If Black English Isn't a Language, Then Tell Me, What Is?" how have Black English and American English influenced one another? Black English has enriched American English. Black English has
answered
Jul 19, 2020
English
high-school
3
votes
92.3k
views
In 1931, President Herbert Hoover was paid a salary of $75000. Government statistics show a consumer price index of 15.2 for 1931 and 207 for 2007. President Hoover's 1931 salary was equivalent to a 2007
answered
Jun 22, 2020
Social Studies
high-school
4
votes
54.7k
views
three to four sentences explaining how the social media policy uses features and formatting to achieve its purpose of informing employees about the company’s social media policy.
answered
Feb 24, 2020
English
middle-school
4
votes
201k
views
PLEASE HELP I DON'T WANT TO REPEAT THE 9TH GRADE.... The ________ Concentration camp is the site of the ________ mass _______ in the ________ of mankind. A _______ of death. Those that survived selection
answered
Sep 29, 2019
English
high-school
4
votes
45.7k
views
Gina wrote that 4/5 is greater than 0.75. Is Gina correct? Explain why or why not.
answered
May 24, 2019
Mathematics
middle-school
3
votes
44.9k
views
1. Right now there are two methods (or possible methods) of obtaining energy resources that are very controversial in North Carolina. What are they and describe one pro and one con of each. 2. Describe
answered
Apr 25, 2019
Geography
middle-school
0
votes
84.4k
views
Add -73 + 28. -91 -55 -45
answered
Mar 21, 2019
Mathematics
college
3
votes
215k
views
Which structure is mainly responsible for releasing energy from food molecules in cell ? 1. Ribosomes 2. Cell membranes 3. Chloroplasts 4. Mitochondria
answered
Mar 20, 2019
Biology
high-school
4
votes
74.8k
views
A part of the consumerism is that manufacturers
answered
Oct 27, 2018
History
high-school
6
votes
49.7k
views
What is the length of the diagonal of a rectangle whose width is 90 cm and whose length is 200 cm?
answered
Apr 14, 2018
Mathematics
middle-school
1
vote
210k
views
Find the volume of the composite figure.
answered
Mar 22, 2018
Mathematics
high-school
3
votes
19.8k
views
At a certain high school, the ratio to left handed to right handed is 1:4. If there are 20 students in one class, how may are said to be left-handed? Please help me step by step. I'm in 8th Grade taking
answered
Sep 16, 2017
Mathematics
middle-school
5
votes
203k
views
A room has an area of 121 ft2 but carpeting is only sold in m2. How much carpeting is needed to carpet the room? A.) 12.1 m2 B.)18.76 m2 C.)101.17 m2 D.)11.24 m2
answered
Jun 14, 2017
Mathematics
high-school
4
votes
166k
views
What element is the most abundant in the earths crust ?
answered
Apr 7, 2017
Chemistry
high-school
3
votes
122k
views
A socialist believes that wealth should be spread evenly throughout society. what characteristic of socialism is designed to achieve this goal? a. the government controls the centers of economic power.
answered
Jan 30, 2017
Social Studies
high-school
0
votes
212k
views
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