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Preston's clock produces 45 useful energy units for every 100 units of electricity used. What is the efficiency of the clock? 0.45 percent 45 percent 55 percent 100 percent
answered
Aug 28, 2019
Geography
high-school
4
votes
108k
views
How many different ways can you choose 5 cards from a shuffled deck and get exactly three aces? The order of cards doesn’t matter-only which particular 5 cards matters.
answered
Jul 15, 2019
Mathematics
middle-school
2
votes
216k
views
At horseshoe bend, andrew jackson won a smashing victory over the:
answered
May 28, 2019
History
college
3
votes
198k
views
Help!!!! How are the properties and safety concerns of these two chemicals Barium Sulfate and Barium sulfide different? Are they similar?
answered
May 16, 2019
Chemistry
college
2
votes
206k
views
Should the federal government have more power to require greater uniformity in policy among the states
answered
Mar 28, 2019
History
high-school
7
votes
185k
views
Which of the following correctly explains why icebergs float in the ocean
answered
Jul 3, 2018
Geography
middle-school
5
votes
122k
views
What is a synonym for drain in what reference book would you use to find synonyms
answered
May 16, 2018
English
middle-school
2
votes
49.6k
views
Simplify completely: 3 4i
answered
Mar 11, 2018
Mathematics
high-school
4
votes
49.3k
views
Which statement best describes what the graph shows?
answered
Mar 6, 2018
Mathematics
high-school
2
votes
43.7k
views
Anja is substituting t=5 and t=9 to determine if the two expressions are equivalent. 4(2t-5) 10t-38 Which statement is true? A) Both expressions are equivalent when t=5 but the two expressions are not
answered
Jan 22, 2018
Mathematics
high-school
2
votes
163k
views
Why did tecumseh bring together many american indian tribes? to draw the british into battle to distract americans from the battle at sea to resist settlement of american indian lands to negotiate with
answered
Sep 9, 2017
History
high-school
3
votes
53.4k
views
A __________ is a natural object that orbits another object in the solar system besides the Sun. Select one: a. asteroid b. comet c. meteoroid d. moon
answered
Jun 17, 2017
Biology
middle-school
4
votes
118k
views
If the number 561 is multiplied by 103, in what place value will the 1 be?
answered
Feb 17, 2016
Mathematics
high-school
5
votes
196k
views
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