Answers by Nishantsingh
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Answers by Nishantsingh

Answers by Nishantsingh
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It takes 4 hr 39 min for a 2.00-mg sample of radium-230 to decay to 0.25 mg. What is the half-life of radium-230? A) 1 hr 4 min B) 1 hr 17 min C) 1 hr 33 min D) 1 hr 49 min Eli
answered Oct 29, 2018
3 votes
152k views
Tamara pours hot tea into a cold mug. A few moments later, she picks up the mug, and it is now warm. What is the main form of energy transfer involved in heating the mug?
answered Sep 26, 2018
4 votes
76.3k views
A duck's mass at birth was 0.05 kilogram. The duck gained approximately 0.042 kilogram each week. After how many weeks is the duck's mass 0.890 kilogram?
answered Jul 29, 2018
3 votes
151k views
El oso ____ muy grande y feo. a. fue b. eran c. era
answered Jul 15, 2018
1 vote
8.6k views
Eric left a 12.76 tip for a $58 meal. What is the total cost of the meal?(tip22%)
answered Mar 4, 2018
6 votes
82.0k views
In a writing rubric, what is the name for a standard that is used for evaluation? A.) category B.) score C.) criterion D.) rating
answered Nov 16, 2017
4 votes
142k views
What is the primary difference between the principles of capitalism and socialism
answered Oct 13, 2017
5 votes
79.6k views
Whats the attraction between hydrogen and oxygen atoms in different water molecules
answered Jul 28, 2017
2 votes
83.3k views
Which structures are found in eukaryotic cells?
answered Jul 8, 2015
4 votes
87.2k views
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