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An engine has an energy input of 125 J, and 35 J of that energy is transformed into useful energy. What is the efficiency of the engine?
answered
Apr 1, 2019
Physics
high-school
3
votes
65.4k
views
Using the figures below, what is the perimeter of the 5th rectangle in the pattern?
answered
Jan 28, 2019
Mathematics
high-school
5
votes
139k
views
Find the area and circumference of a circle with radius 4 in.
answered
Aug 8, 2018
Mathematics
high-school
4
votes
82.2k
views
How do I answer this question
answered
Apr 25, 2018
Mathematics
middle-school
4
votes
162k
views
Solve the equation for the indicated variable, u: y = 3/5u + 5
answered
Mar 30, 2018
Mathematics
middle-school
5
votes
91.3k
views
How does Douglass's extrinsic ethos or reputation,influence the manner in which he addresses his audience? Explain
answered
Jan 25, 2018
English
high-school
4
votes
75.0k
views
He winced at the scratchy blare of the battered trumpet, the uncertain smash of the tarnished cymbals, and the anguished screech and whistle of the poorly-played saxophone. Never before had he heard such
answered
Dec 4, 2017
English
high-school
3
votes
95.9k
views
Which option below Anne sexton's poem courage demonstrates a simile
answered
Jul 23, 2017
English
high-school
3
votes
199k
views
Which of the following can be identified as a cause of Siddhartha Gautama's dissatisfaction with Hinduism? A. The unjust effects of the caste system B. His wife's refusal to pay him a dowry C. His father's
answered
Mar 30, 2017
History
high-school
4
votes
125k
views
1. What does O’Sullivan suggest Americans should be able to possess by right of Manifest Destiny? 2. What reasons does he give?
answered
Feb 10, 2017
History
high-school
3
votes
209k
views
Which of the following thesis statements is strongest? The water cycle is an important part of the weather system. The water cycle begins with evaporation and ends with precipitation. The water cycle begins
answered
Dec 26, 2016
English
high-school
1
vote
146k
views
The Spanish encomienda system in the Americas resulted in (1) the strengthening of indigenous cultures (2) political independence for the colonies (3) the exploitation of natives (4) religious freedom
answered
Nov 18, 2016
History
high-school
0
votes
27.5k
views
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