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Which statements are true the ordered pair (1, 2) and the system of equations? y=−2x+4 7x−2y=3 Select EACH correct answer. When (1, 2) is substituted into the first equation, the equation is true. When
asked
Sep 17, 2021
Mathematics
middle-school
1
answer
5
votes
165k
views
The first step in the industrial synthesis of hydrogen is the reaction of steam and methane to give synthesis gas, a mixture of carbon monoxide and hydrogen. h2o(g)+ch4(g)⇌co(g)+3h2(g) kc = 4.7 at 1400k.
asked
May 11, 2021
Chemistry
high-school
1
answer
1
vote
145k
views
What do we risk losing in addition to plants and animals if we continue to destroy rainforests?
asked
May 9, 2021
Social Studies
high-school
1
answer
3
votes
145k
views
Please help me asap
asked
Apr 18, 2021
Mathematics
college
2
answers
4
votes
211k
views
If 30.8 grams of hydrobromic acid react to form 0.4 grams of hydrogen, how many grams of bromine must simultaneously be formed
asked
Apr 15, 2021
Chemistry
college
1
answer
0
votes
101k
views
* Required If each person occupies 2.5 square feet, how many people would fill up an arena with standing room only that had a width of 1100 feet and a length of 2500 feet? 0 1,100,000 people O 6,875,000
asked
Jan 2, 2021
Mathematics
college
1
answer
5
votes
166k
views
Help with this Spanish homework
asked
May 20, 2020
Spanish
middle-school
2
answers
2
votes
91.6k
views
Who financially supported columbus journey across the atlantic?
asked
May 15, 2019
History
high-school
1
answer
0
votes
205k
views
The half-life of tritium or hydrogen-3 is it 12.32 years, after about 24.6 years how much of a sample of tritium remain unchanged? A 1/3 B 1/2 C 1/8 D 1/4
asked
Dec 6, 2018
Biology
high-school
1
answer
1
vote
127k
views
Jack is running for city mayor. He stops the first 10 people on the street and asks them what their biggest concern for the city is. Six of the people say higher taxes are their biggest concern. Jack concludes
asked
Nov 24, 2018
Mathematics
middle-school
1
answer
0
votes
59.9k
views
What were the nicknames for the soldiers in world war 1 from different countries?
asked
Jul 20, 2018
History
high-school
2
answers
3
votes
79.4k
views
Explain why scientists rejected Lamarck’s ideas about evolution. What is an example that they might have used in their argument against his ideas? Enter your answer in the space provided.
asked
May 18, 2018
Biology
college
2
answers
0
votes
135k
views
Three types of drama from the Middle Ages are: ______. magic plays mechanical plays miracle plays morality plays mystery plays
asked
Dec 12, 2017
English
high-school
2
answers
2
votes
161k
views
After selling one third of his apple crop, a farmer sold the remainder at the same price per bushel for $600. What is the value of the crop?
asked
Dec 9, 2017
Mathematics
middle-school
2
answers
4
votes
134k
views
supose an original amount decrease by 75%. By what percent must the new amount increase in order to return to the original amount?
asked
Feb 22, 2015
Mathematics
middle-school
1
answer
4
votes
173k
views
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