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Answers by Martinjbaker

Answers by Martinjbaker
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Practical steam engines utilize 450ºC steam, which is later exhausted at 270ºC. (a) What is the maximum efficiency that such a heat engine can have? (b) Since 270ºC steam is still quite hot, a second steam
answered Oct 14, 2024
6 votes
125k views
A wheel of radius 10 cm is turning at a rate of 5 revolutions per minute. Calculate:The angle through which the wheel turns in 1 second.? A) 30 degrees B) 60 degrees C) 90 degrees D) 120 degrees.
answered Oct 13, 2024
1 vote
188k views
How we can stop corruption in the Philippines? 1 paragraph
answered Sep 11, 2024
5 votes
119k views
3. The table below gives the estimated world population (in billions) for various years. Make a scatterplot of the data (labeling and scaling axes appropriately) and provide the regression equation. Year
answered Apr 14, 2024
4 votes
13.9k views
The combustion of ethylene proceeds by the reaction C2H4(g) + 3 O2(g) → 2 CO2(g) + 2 H2O(g) When the rate of disappearance of O2 is 0.13 M s^-1, the rate of appearance of CO2 is ________ M s^-1. a) 0.26
answered Feb 20, 2024
4 votes
216k views
A magazine a survey to determine its readers favorite type of shoesfavorite types of shoes worn sneaker boot sandal other 54%. 16% 20%. 10% what is the probability that sneakers or boots will be the favorite
answered May 23, 2023
4 votes
140k views
The monthly income of a man is Rs. 53000. He deposits 20% of his yearly income in the Civil investment Fund and 10% in Charity. If Rs.300000 is his yearly income exempted and 1% social security charge
answered May 15, 2023
2 votes
187k views
What is the simplified form of this expression? 8x -11v +17x+5v A.) 19xv B.) 25x - 16v C.) 25x + 16v D.) -3x + 22v
answered Feb 14, 2023
6 votes
169k views
Please help me solve this problem
answered Sep 29, 2022
5 votes
202k views
Please help me......
answered Sep 25, 2022
2 votes
119k views
1. How is matter conserved during the processes of photosynthesis and celler respiration?
answered Sep 20, 2022
3 votes
136k views
What is the scientific definition of phychology​
answered Sep 10, 2022
3 votes
103k views
What is the quotient of 9/14 and 2/7
answered Jul 21, 2022
8 votes
84.4k views
Solve for x,y and z in the following diagrams​
answered Jun 26, 2022
3 votes
52.3k views
How is social media useful?
answered May 13, 2022
9 votes
9.7k views
Sabemos que o “y” mais conhecido como grego i e também é usado apenas entre dezenas e unidades, ou seja, de 31 a 99, por exemplo: No ano 2021 (dois mil vinte e um) não usamos “ y ”, pois não está entre
answered Apr 1, 2022
5 votes
168k views
Thesis statement : essay :: a. Knowledge gained : conclusion b. Evidence : body paragraph c. Conclusion : essay d. Topic sentence : paragraph
answered Feb 13, 2022
5 votes
46.8k views
Onment is brought into the area. It has no predato ation. Overpopulation can use up the resources ir oes not impact the environment in any way. Ltion because they are an additional species in the lation.
answered Feb 10, 2022
6 votes
114k views
4.2 + 3.5 + 0.5 + 4.0​
answered Jan 28, 2022
6 votes
4.1k views
What is the volume of this container?
answered Dec 27, 2021
5 votes
58.7k views
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