Answers by MariaL
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Answers by MariaL

Answers by MariaL
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What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
answered Jan 8, 2020
6 votes
228k views
How do you think James Madison felt about the possible dangers of majority rule
answered Dec 27, 2019
3 votes
178k views
Jimmy owns a small engine repair business. The revenue, in dollars, can be modeled by the equation y = 420 + 72x, where x is the number of hours spent repairing small engines. The overhead cost, in dollars,
answered Oct 8, 2019
1 vote
162k views
How does this excerpt relate to what you already know about the number of casualties of world war 1
answered Jul 31, 2019
5 votes
142k views
What muslim holy site is located in jerusalem?
answered Apr 24, 2019
2 votes
12.9k views
23​% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability
answered Mar 24, 2019
4 votes
52.9k views
Write the rule for the pattern 1,5,9,13,17
answered Feb 14, 2019
4 votes
7.8k views
How does the tundra contribute to a reduction of carbon dioxide on Earth?
answered Nov 4, 2018
4 votes
69.8k views
If you work for an hourly wage, your gross pay is a function of the number of hours that you work. Your hourly wage is $8 per hour. Assuming you work 40 hours per week, what is the practical domain and
answered Oct 18, 2018
4 votes
57.3k views
Hello, I'd like to know which preposition to use: to lodge an appeal WITH the court of law x to lodge an appeal FOR the court of law x to lodge an appeal TO the court of law. (I'm studying English) Thank
answered Aug 19, 2018
1 vote
89.5k views
Which should be included in a critique? Check all that apply. the central idea the historical context supporting details the reader’s position supporting evidence
answered Jun 29, 2018
1 vote
197k views
Which of the following was not a branch of the Roman Republican government? A.)Senate B.)Assembly C.)Magistrates D.)Judicial
answered Apr 20, 2018
6 votes
88.0k views
Why is it important to vote?
answered Apr 5, 2018
3 votes
169k views
In the story the christmas carol four ghosts ____ in the story
answered Jan 18, 2018
0 votes
188k views
3. The three salespeople for a local advertising firm are Lola, Ahmed, and Tommy. Lola sold $2030 in ads, Ahmed sold $1540, and Tommy sold $1800. (a) What fraction of the total sales did each salesperson
answered Sep 13, 2017
4 votes
154k views
At a pizza parlor, a customer has a choice of pizza toppings and sizes. The topping choices are ham, pepperoni, and black olive. The size choices are medium and large. Find the probabilty of randomly selecting
answered May 17, 2017
4 votes
14.9k views
A star’s light is shifted to the blue part of the light spectrum. What does this mean about the length of light waves and movement of the star? A. The wavelengths are getting longer, meaning the star is
answered Mar 29, 2017
4 votes
213k views
Would 91,284 rounded to the nearest hundred thousands be 90,000?
answered Jul 23, 2016
6 votes
139k views
What is the 30th element on the periodic table
answered Sep 14, 2015
2 votes
65.8k views
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