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Answers by StevenWang

Answers by StevenWang
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At 10 am, a building casts a shadow that is 98 feet long. At the same time, a 5 feet tall man casts a shadow that is 4 feet long. Find the height of the building.
answered Apr 29, 2018
3 votes
177k views
3 There is a traffic light at the intersection of Elm Street and Rose Street The traffic light on Elm Street follows a cycle It is green for 20 seconds yellow for 5 seconds and red for 25 seconds As you
answered Jul 30, 2017
3 votes
11.6k views
What is the sum of the geometric series 20 + 21 + 22 + 23 + 24 + … + 29?
answered Jan 14, 2017
4 votes
129k views
What is removed during the formation of mature RNA in eukaryotes? A. Exons B. Introns C. Codons D. Nucleosomes
answered Nov 30, 2016
1 vote
60.2k views
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