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Answers by SChang

Answers by SChang
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Venus is about 10^8 kilometers from the Sun. Saturn is about 10^9 kilometers from the Sun. About how many times farther from the Sun is Saturn than Venus?
answered Jun 10, 2018
2 votes
214k views
Which of the following is an example of mutualism? A. A group of piranhas work together to attack a large animal. B. A mosquito feeds off the blood of another animal and leaves an itchy bump. C. Barnacles
answered May 10, 2018
4 votes
41.0k views
For a given value of net force, which of the following would increase acceleration for a system? a. increase the mass b. decrease the mass c. increase both force and mass proportionally d. decrease both
answered Mar 12, 2018
4 votes
193k views
2x+4y=12 solve for “y”.
answered Feb 4, 2018
4 votes
153k views
What are the solutions to the equation ⎮x⎮= 8-3x? A) The two valid solutions are x = 2 and x = 4. B) The two extraneous solutions are x = 2 and x = 4. C) The valid solution is x = 2, and the extraneous
answered Dec 8, 2017
1 vote
88.6k views
How did Pythagoras contribute to ancient music theory
answered Nov 10, 2017
6 votes
100k views
In a school of 260 children, 55% are girls. How many girls are there? At the same school, 10% of children leave for a school trip. How many pupils go on the trip?
answered Sep 10, 2017
0 votes
173k views
This structure was created as a monument in ancient Egypt. Which of the following civilizations built similar monuments? A. The Chavín civilization B. The Harappan civilization C. The Shang dynasty D.
answered May 26, 2017
4 votes
11.4k views
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