Find profit function P(x) =R(x) – C(x) & sketch graph. b) How many days in advance should the event be announced in order to maximize profit. What is the max profit? c) What is the ratio revenue to cost Q(x) =R(x)C(x) at the optimal announcement time found in part(b). What respond when x-> 0. Interpret the result. 3/ A manufacturer can produce digital recorders at a cost of $50 apiece. It is estimated that if the recorders are sold for p dollars apiece consumers with buy q = 120
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In 1947‚ One hundred eleven men were killed in an explosion that took place at the Centralia No 5 mines located in the state of Illinois. The explosion was caused by highly explosive coal dust that was ignited by an explosive charge. During that time‚ Driscoll Scanlan was one of l6 Illinois state mine inspectors‚ appointed by Governor Green. He was given the responsibility of policing the mines as well as the operators. Additionally‚ it was his duty to make sure that the company’s was in compliance
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lives. Mine disasters once were really common. In the single year of 1907 there were 18 coal mine disasters.. Among the disasters in 1907 was history’s worst the Monongah coal mine explosion‚ which claimed 362 lives and impelled Congress to create the Bureau of Mines. I will discuss this disaster more later in this paper. Mine accidents have declined dramatically in number and severity through years of research‚ technology‚ and preventive programs. Today mine accidents resulting
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Ely Mine EVSP 594 July 20‚ 2014 Phyllis Langone Ph. D. Ely Mine Executive Summary The Ely Copper Mine was mined from 1821 to 1920 sporadically for copper and during this time it added trace elements and acid runoff to the streams and river around the mine. The mine sat idle for almost twenty years when in 1942 the mine was reopened during the war because metals like copper were needed (USGS United States Geological Survey‚ 2007). The Ely Copper Mine in Vershire‚ Vermont has throughout the
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into perspective. One of our goals along this journey was to ask questions‚ educate ourselves and raise awareness about a proposed mineral mine that sits on some of Earth’s most pristine regions. In order to preserve untouched and pure land in Bristol Bay‚ AK‚ the construction of an open-pit mineral deposit known as Pebble Mine needs to be put to a halt. This mine has potential to negatively affect the local ecosystem‚ including the largest salmon fishery in the world‚ which will also affect the long-term
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In today’s world there are many Public Service Announcements that are used to bring recognition about current problems that are going around in our societies today. Creating any type of PSA‚ the developers have to contemplate all the ideas‚ and what elements would best suit audiences. They also have to scrutinize what elements would be most successful in bringing about change on the issue being discussed. In this effective Public Service Announcement that the American Society for the Prevention of
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Chilean Folk Music There are four main types of folk music in Chile they are: -Northern Chile‚ Musica Andina -Central Chile -Mapuche Music -Chiole Music Each type or sub-genre of music has a quite distinct sound and can be related to the racial groups of these areas and to the history of Chile. Racial History of Chile The history of Chile is varied as it has influenced greatly the course of folk music in these four main areas. The history is marked by the following major events:
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"The Silver Mine" the story is about this group of people who find a mountain that has silver in it. They end up taking some of the silver to a mineralogist to see the value of the mineral and they find out that it is silver. Later some of the men end up dying because all the money is corrupting them. "The Silver Mine" is by‚ Selma Lagerlof who has won the Nobel Prize as the first women ever to receive the prize. An abundance of money that you have not earned can corrupt you. First of all this
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Myana Looknanan Mine Boy by Peter Abrhams certainly demonstrates the effects of imposing imperialism‚ and capitalism on a particular society. In this novel Xuma the protagonists has somewhat of an awakening. He goes from being an ignorant and innocent boy to a radical and brave man‚ once he realizes the impact of the foreign influence on his fellow citizens. South Africans were being oppressed and forced to live a life in which there were little to no choices. Many of them accommodated this influence
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Mine Management ************************************************** Q. "Safety is a management function"; comment as a manager of a mine how would you ensure compliance with the provisions of the Mines Act and Regulations by all concerned? Chalk out an organizational set-up fixing and integrating accident control responsibility into management operation. Safety is a management function because the root causes of all accidents often relate to the management system. They may be due to management policies
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