Answers by Nicolas Del Valle
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Answers by Nicolas Del Valle

Answers by Nicolas Del Valle
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nitrogen has half-life of 15 hours. how much nitrogen will remain in an 18.0 g sample after 60 hours?
answered Dec 26, 2023
3 votes
2.4k views
A circular plate has a radius of 22 centimeters. What is the area of the plate? OA) 11 cm² B) 22 cm² OC) 44 cm² OD) 484 cm²​
answered Dec 9, 2023
5 votes
47.3k views
"Federalism" is the division of power between the __________ governments.​
answered Oct 26, 2023
7 votes
5.3k views
I just need the answers for questions 9 and 10
answered Jun 11, 2023
3 votes
145k views
Which nuclear energy releases the most energy
answered May 20, 2023
10 votes
19.5k views
What is the meant of by renewable energy and non-renewrable with example of each.​
answered Dec 7, 2022
1 vote
39.3k views
The doctor recommended that Matt decrease thenumber of calories he consumed from 2,500 to 1,800. By what percent did the number of calories decrease?
answered Nov 16, 2022
11 votes
75.1k views
Samantha is hiking through a national park. The graph shows the relationship between the distance she covers (in miles) and the time she spends hiking (in hours). When Samantha has hiked for 1 1/2 hours,
answered Sep 23, 2022
3 votes
74.4k views
Khan academy - 6th grade advanced
answered Aug 24, 2022
3 votes
42.8k views
Kim drew a map of the Mississippi River. The scale was 5 centimeters represents 120 miles. The actual length of the Mississippi River is 360 miles. Approximately what is the length in centimeters of the
answered Aug 17, 2022
14 votes
107k views
noah buys 2 magazines. Kate buys 2 magazines and a book. The book costs $16. Their total cost is $72. How much is one magazine?
answered Jun 9, 2022
4 votes
12.0k views
Mention one product you are selling on your sole proprietorship​
answered May 30, 2022
3 votes
173k views
How many moles of carbon dioxide are produced when 0.25 mole of butane is consumed?
answered May 22, 2022
4 votes
221k views
A 5-kg projectile is fired over level ground with a velocity of 200 m/s at an angle of 25 above the horizontal. Just before it hits the ground its speed is 150 m/s. Over the entire trip the change in
answered Dec 7, 2021
6 votes
235k views
Direction: Label the parts of the female reproductive system. ​
answered Nov 29, 2021
3 votes
180k views
Find the simple interest of $2300 invested at 7.5%for 10years
answered Sep 3, 2021
5 votes
191k views
What gave President Johnson the authority to send additional troops to Vietnam without a formal declaration of war? A. Operation Rolling Thunder B. Gulf of Tonkin C. Resolution the Viet Cong invasion in
answered Jul 30, 2021
6 votes
194k views
Each corner of a right-angled triangle is occupied by identical point charges "A", "B", and "C" respectively. Draw a sketch of this arrangement. "A" exerts force F on "B". An equal force F is exerted by
answered Jul 21, 2021
0 votes
62.9k views
The English Bill of Rights enumerates each of the following EXCEPT: A the right to religious freedom B the right to speak freely in Parliament C the right to free elections to Parliament D. the right to
answered Jun 17, 2021
2 votes
220k views
If 2x + 7 = -21, what does 2 - x equal?
answered May 20, 2021
4 votes
177k views
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