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No machine have 100% efficiency. Why?
answered
Jan 26, 2021
Physics
high-school
2
votes
7.4k
views
Why does McCarthy likely mention John Service and Gustave Duran in paragraphs 12-14?
answered
Jan 18, 2021
English
high-school
7
votes
166k
views
En la Ciudad de México, el pasaje de metro cuesta 39 dólares. cierto falso En México, un pasaje se puede usar sólo para ir al centro de la ciudad. cierto falso En Chile hay varios tipos de transporte público.
answered
Oct 11, 2020
Spanish
high-school
0
votes
59.7k
views
Greg has 18 cents half the coins are nickels the rest are dimes how much money does Greg have?
answered
Sep 18, 2020
Mathematics
middle-school
1
vote
204k
views
A motorbike uses petrol and oil mixed in the ratio 13:2 a)how much of each is there in 30 litres of mixture ? b) how much petrol would be mixed with 500 ml of oil?
answered
Aug 24, 2020
Mathematics
middle-school
3
votes
137k
views
Rgest group of non-willing people brought to America were taken from
answered
Nov 18, 2019
History
middle-school
3
votes
83.5k
views
Write a rational number whose opposite and absolute value are the same.
answered
Oct 15, 2019
Mathematics
high-school
2
votes
207k
views
50 is 4.5% if what number
answered
Jun 26, 2019
Mathematics
middle-school
1
vote
42.6k
views
12 points! Please Help! Angle PQR is rotated 90 degrees counterclockwise about the origin to form angle P′Q′R′. Which statement shows the measure of angle P′Q′R′? A m∠P′Q′R′ = 90 degrees B m∠P′Q′R′ = 180
answered
Mar 25, 2019
Mathematics
middle-school
2
votes
198k
views
Jon deposits $15,000 in an account that earns 6% interest, compounded annually. No other deposits are made to the account. After 10 years, Jon decides to use the investment to purchase a new home. The
answered
Mar 24, 2019
SAT
college
4
votes
177k
views
Will someone help me me please
answered
Nov 22, 2018
English
middle-school
1
vote
210k
views
Why does Paine think a monarch is poorly suited to rule?
answered
May 6, 2018
History
middle-school
7
votes
113k
views
100 POINTS!!!!!! EASY 8TH GRADE MATH!! What is the solution of the system? Use the elimination method. 2x+y=206x−5y=12 Enter your answer in the boxes.
answered
Apr 11, 2018
Mathematics
high-school
2
votes
118k
views
Look at the five words you selected to study during this lesson. Use the first one in an original sentence. In a second sentence, explain how you have used or seen this word in your daily life. Note: You
answered
Mar 26, 2018
English
middle-school
3
votes
214k
views
(2 thousands 7 tens) divided 10
answered
Feb 6, 2017
English
middle-school
3
votes
83.8k
views
The Reconstruction Act of 1867: divided all Confederate states into five military districts gave the Confederate states money to rebuild after the war freed all Civil War prisoners freed all slaves
answered
Jul 27, 2016
History
high-school
1
vote
201k
views
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