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hw1 - ISyE 4803 Homework 1 Due September 3 2009(25 points...

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ISyE 4803 - Homework 1 Due: September 3, 2009 (25 points) NOTE: In answering these questions, do not copy-paste text from the articles. Use your own words. 1. (6 points) Read the article Dying for a Drink by B. Walsh, Time, December 15, 2008, 46-49. http://www.time.com/time/magazine/article/0,9171,1864440,00.html and the photo essay on World Water Crisis http://www.time.com/time/photogallery/0,29307,1724375,00.html. (a) What are the world’s two main sources of fresh water? (b) What is the current demand/supply situation regarding water available for human use? (c) What is the impact of water scarcity on food scarcity? (d) What are some of the actions/policies implemented by Australia to increase the efficiency of water use? (e) What are some of the actions/policies implemented by Las Vegas to increase the efficiency of water use? What is the impact? (e) List three things you and your family can do to help preserve water. 2. (19 points) For this assignment, please read the following article: Z. Sinuary-Stern, A. Mehrez, A.-G. Tal, and B. Shemuel. The location of a hospital in a rural region: The case of the Negev. Location Science, Vol. 3(No. 4): pp.255 - 266, 1995. Constraints Let S =(Beer Sheva, Dimona, Arad, Yeruham, Ofakim, Aroer Junction) denote the set of cities in the Negev. Define the binary variable y i , i S
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