Answers by Tim Chen
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Answers by Tim Chen

Answers by Tim Chen
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290 in expanded notation
answered Jan 28, 2018
3 votes
67.4k views
A transit company carries about 80 000 riders per day for a fare of $1.25. To obtain more revenue, the management plans to increase the fare. It estimates that for every 5 cent increase in fare, it will
answered Dec 21, 2017
6 votes
56.8k views
What role did migration play in the evolution of early African societies?
answered Nov 26, 2017
2 votes
185k views
Kiersten runs a website that helps people learn programming. Every month, Kiersten receives a subscription fee of $10 from each of the subscribers to her website. Last month, the website had 100 subscribers.
answered Nov 4, 2017
6 votes
224k views
Should we take naps? Need help.
answered May 19, 2017
3 votes
82.1k views
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