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daniel miller

daniel m.

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Question 2: In a database schema that tracks customer sales of inventory items, which type of SQL statement would be executed most frequently?

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Product X has a contribution margin of $150 per unit and requires three hours of machine time. Product Y requires four hours of machine time and provides $200 of contribution margin per unit. Required: If the capacity of machine time is limited to 600 hours and only one product can be produced, what is the maximum amount of contribution that could be generated? Maximum amount of contribution

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Money is borrowed at 11\% simple interest. After one year, \$942.39 pays off the loan. How much was originally borrowed?\nThe amount of the original loan was \$

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Bourque Enterprise is considering a new four-year project. The company bought some land a year ago for $200,000 in anticipation of using it as a manufacturing production site. Based on a recent appraisal, the company believes it could sell the land for $235,000 on an after-tax basis. In four years, the land could be sold for $250,000 after taxes. The company projects unit sales as follows at a price of $100 per unit. Year Unit sales 1 9,000 2 9,000 3 7,000 4 3,000 Total fixed costs are $125,000 per year, and the variable product costs will be 25 percent of sales. The plant and equipments required for the project will cost $510,000. A five-year MACRS depreciation is used. At the end of the project, these fixed assets can be sold for $55,000 before tax. The project will require net operating working capital equal to 20 percent of sales that must be accumulated in the year prior to sales, to support inventory and the credit sales to customers. The tax rate is 22 percent. The required return is 11 percent. The two questions are "1d. What value should you use for the total capital expenditure at the beginning of the project for all the fixed assets involved?" and "1e. What value should you use for the total capital recovered at the end of the project for all the fixed assets involved?" Now the answers are -745000 for the first one and 312288 for the second one. Please explain how to come to these solutions. Thanks!

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Consider the following parametric equations. a. Eliminate the parameter to obtain an equation in x and y. b. Describe the curve and indicate the positive orientation. x = 9 \cos t, y = 13 + 9 \sin t; 0 \le t \le 2\pi

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According to the U.S. Census Bureau, the mean of the commute time to work for a resident of Seattle, Washington is 29.8 minutes. Assume that the standard deviation of the commute time is 6.5 minutes to complete parts (a) through (c). Question content area bottom Part 1 (a) What minimum percentage of commuters in Seattle has a commute time within 2 standard deviations of the mean? enter your response here% (Round to one decimal place as needed.) Part 2 (b) What minimum percentage of commuters in Seattle has a commute time within 2.5 standard deviations of the mean? What are the commute times within 2.5 standard deviations of the mean? The minimum percentage of commuters in Seattle that has a commute time within 2.5 standard deviations of the mean is enter your response here%. (Round to one decimal place as needed.) Part 3 The commute times within 2.5 standard deviations of the mean are between enter your response here and enter your response here minutes. (Type integers or decimals. Do not round. Use ascending order.) Part 4 (c) What is the minimum percentage of commuters who have commute times between 10.3 minutes and 49.3 minutes? enter your response here% (Round to one decimal place as needed.)

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An electronic component has a constant failure rate of 40x10$^{-9}$ per hr. a. Calculate the MTBF measured in years b. Calculate the reliability of the component after three years of service c. If there are 6000 components in a test, how many failures are expected in d. Calculate the unavailability if the mean time to repair is 20 hrs e. What will be the effect on the unavailability if MTTR is tripled?

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12. DETAILS Find a polar equation \textit{r} for the conic with its focus at the pole and the given eccentricity and directrix. (For convenience, the equation for the directrix is given in rectangular form.) Conic Eccentricity Directrix Hyperbola $e = \frac{9}{7}$ $x = 2$

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Part 1: True/False Questions (11 points total, 1 point per question) T F Typically, the Fire point of a fuel is at a larger temperature than its autoignition temperature T F Inerting during a vessel emptying process is a fire/explosion mitigation strategy T F The minimum ignition energy of most fuels is lower than the energy from a static discharge T F During a detonation, the pressure/shock front moves at about the same speed of the reaction front T F In general, the response time of a deluge (dry) sprinkler system is shorter than that of a wet pipe sprinkler system T F Uncontrolled endothermic chemical reactions will always lead to increase of system temperature and fire/explosion risk T F Piping are the parts of chemical engineering plants that are more commonly associated to failure and accidents. T F ERPG-3 is the maximum airborne concentration at which individuals can be exposed for 1 h without experiencing life-threatening health effects T F The valve connected to the drain of a storage tank should fail open T F One of the suggestions of Inherent Safety is the use of equipment that require less maintenance over equipment that require maintenance more often T F Greater atmospheric stability increases the vertical mixing of pollutants in air

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$\mathcal{G}$

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