Answers by Andrey Sobolev
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Answers by Andrey Sobolev

Answers by Andrey Sobolev
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Explain what it means for mass to change.
answered Feb 13, 2020
5 votes
168k views
You eat a new kind of fruit and suffer from hives for the first time in your life. A week later, you try the fruit and the hives recur. A month later, you have a similar experience.
answered Nov 13, 2019
4 votes
62.7k views
Which is the standard equation of a circle with diameter with A(0, -1) and B(2, 1)? x2 + (y + 1)2 = 2 (x - 2)2 + (y - 1)2 = 1 (x + 1)2 + y2 = 1 (x - 1)2 + y2 = 2
answered Oct 6, 2019
3 votes
105k views
Graph the relation. Is the relation a function? Why or why not? {(–1, 1), (–2, 1), (–2, 2), (0, 2)} Yes; there is only one domain value for each range value. No; a domain value has two range values. Yes;
answered Oct 2, 2019
3 votes
209k views
Find the difference (7a-6b+7) - (8a-2)
answered Apr 6, 2019
6 votes
110k views
What kind of molecule is water?
answered Nov 3, 2018
3 votes
207k views
Which of the following is not an example of a chemical change? Digesting food Burning gas in an engine Cooking eggs Grinding pepper
answered Aug 20, 2018
4 votes
116k views
Why did Americans feel strongly about western expansion and Manifest Destiny? a. They believed that Americans had the right and duty to spread their culture westward across the continent. b. They believed
answered Jun 19, 2018
5 votes
38.1k views
If the volume of a hot air balloon remains constant, what happens as the temperature of the air inside the balloon increases?
answered Apr 25, 2018
5 votes
168k views
12 POINTS!!!!PLS HURRY!!Two ships are near a buoy in the open ocean. One ship is 20 km due north of the buoy, and the other ship is 13.5 km due east of the buoy. Enter a number in the box to correctly
answered Feb 7, 2018
3 votes
123k views
What is the product of −2 1/2 and −3 1/3 ? ​ a−8 1/3 ​ ​ b−616 ​ ​ c6 1/6 ​ ​ d8 1/3
answered Jan 21, 2018
4 votes
187k views
What type of cloud is below 6,500 feet in the atmosphere?
answered Jan 11, 2018
2 votes
182k views
12 times 12 help please so work
answered Oct 4, 2017
2 votes
149k views
Which culture studied music through the lens of mathematics and science?
answered Jul 20, 2017
5 votes
167k views
Four sisters bought a present for their father. They received a 10% discount on the original price of the gift. After the discount was taken, each sister paid $9.00. What was the original price of the
answered Jul 21, 2016
3 votes
73.4k views
Why did railroads have a greater impact on American society than did canals and steamboats?
answered Aug 14, 2015
4 votes
145k views
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