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Answers by ORole

Answers by ORole
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When Dmitri Mendeleev published his periodic table of the elements in 1869, there were 59 known elements. Today there are 118 known elements. Mendeleev's periodic table, despite the increase in the number
answered Jan 22, 2018
5 votes
62.3k views
The price of an item was $40. After a discount the price became $19.95. What was the percent of the sale discount?
answered Jan 13, 2018
1 vote
226k views
Write a equation form for this sentence, of the 37 choir members, 21 were girls, let b represent the boys in the chior
answered Dec 29, 2017
0 votes
196k views
Which is the BEST example of a "Robber baron" using his wealth in a "philanthropic" manner? A) Jay Gould and his involvement with the "Tammany Hall" political ring B) Cornelius Vanderbilt and the $1 million
answered Sep 7, 2017
5 votes
166k views
What did Percy do after he found the Lightning bilt
answered Mar 29, 2017
4 votes
5.2k views
Spartans’ lives were based around a. government service. c. religion. b. the economy. d. the military.
answered Mar 13, 2017
3 votes
61.9k views
Both starch and glycogen are forms of carbohydrates. Right?
answered Oct 16, 2016
3 votes
63.9k views
I have 1 hundreds, 9 tens, 9 ones, 8 tenths and 1 hundredths. What number am I?
answered Jul 4, 2015
2 votes
37.3k views
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