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In a heat engine, Qh and Qc represents high temperature substance and low temperature substance respectively. Which of the following expressions is correct for the efficiency of the heat engine?
answered
Nov 8, 2019
Physics
high-school
3
votes
9.3k
views
What was not a result of the collapse of the Western Roman Empire?
answered
Oct 11, 2019
History
middle-school
3
votes
70.6k
views
If someone is watching someone watching the tv and hes watching someone watching the tv and the other one is watching someone watching the tv and then the next is one is watching someone watching the tv
answered
Aug 27, 2019
Chemistry
high-school
4
votes
79.6k
views
. ARGUMENT You are a scribe who works for Queen Hatshepsut. Write a brief report that explains why she is a good pharaoh and deserves the support of the people.
answered
Jul 28, 2019
History
middle-school
5
votes
65.0k
views
What is an organism made up of many cells called
answered
Jul 2, 2019
Biology
high-school
1
vote
26.7k
views
Which one of these leaders organized a military group and was granted the role of prime minister by the king? a.) Benito Mussolini b.) Adolf Hitler c.) Vladimir Lenin d.) Emperor Taisho
answered
Jun 10, 2019
History
high-school
0
votes
4.7k
views
Place parentheses in each equation if needed to make each equation true. 7+3x2+4=25 8² ÷ 4 x 8 =2 16+8-5x2=14 Please help
answered
Mar 26, 2019
Mathematics
middle-school
4
votes
134k
views
How can learning how to manage stress help you in life???
answered
Mar 13, 2019
English
high-school
4
votes
201k
views
Maintaining order in society is an example of __________.
answered
Dec 10, 2018
History
college
7
votes
99.0k
views
If DE + EF = DF, and ____________, then the point E is the midpoint of .
answered
Nov 7, 2018
Mathematics
high-school
2
votes
78.3k
views
Dancing Pools sells swimming pools in 4 sizes. The small pool is 36 feet long and 9 feet wide. The medium pool is 40 feet long and 10 feet wide. The large pool is 44 by 11. If the new superduper Coffeetable
answered
Jun 26, 2018
Mathematics
high-school
3
votes
92.2k
views
What point of view might someone who can't make ends meet have?
answered
Jun 25, 2018
English
middle-school
4
votes
38.1k
views
asa has four colored pencils. his friend purchases three times as many . if Asa's friend buys two more 4 packs, which expression shows the total amount of pencils tha Asa and his friend have?
answered
Jun 14, 2018
Mathematics
middle-school
6
votes
24.2k
views
Match the reference information to its source. 1. average daily temperature in Syracuse, New York 2. etymology of parasite 3. a map of Thailand 4. an article on energy sources 5. a list of articles on
answered
May 19, 2018
English
college
3
votes
186k
views
Tobacco is A. made from nicotine B. an agricultural crop C. a synthetic plant D. Both A and B
answered
Mar 3, 2018
Health
college
2
votes
79.1k
views
In the crest Gatsby choose a quote and identify a theme associated with this quote from chapter 5
answered
Nov 16, 2017
English
high-school
0
votes
156k
views
PLEASE HELP FAST! :) ( ANSWER IN YOUR OWN WORDS! ) What is the difference between a Civic Duty and a Civic Responsibility? Give examples for each.
answered
Jul 8, 2017
Mathematics
middle-school
5
votes
54.6k
views
Which fits in a pentad under the category of agencies? A. at the swimming pool B. to save swimmers C. my swimming skills D. me, the other lifeguards, and the swimmers
answered
Jun 28, 2017
English
high-school
4
votes
84.8k
views
What is suggested about the limits of the Emancipation Proclamation? a.Slaves were eager to experience freedom, to fight for it, and were confident the North would protect them. b.Not all slaves left plantations
answered
May 20, 2017
History
high-school
4
votes
201k
views
How can graphs of the same function look different?
answered
May 26, 2016
Mathematics
middle-school
1
vote
104k
views
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