1. A company has contracted for 6 jobs. These jobs can be performed in six of itsmanufacturing plants. Because of the size of the jobs, it is not feasible to assign more than one job to aparticular manufacturing facility. The cost estimates, in thousands of dollars, of performing the jobs inthe different manufacturing plants, are summarizedJobs123453428.138543448.9.3538.749.7779.3572758a) Set up the LP problem to make assignments so as to have the total cost is minimizedb) Solve the LP problem.Workers

Answered: 1. A company has contracted for 6 jobs.…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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1. A Garments Factory produces 2 kinds of curtains: Curtain A and Curtain B. For materials, the factory has 2250 sq. meter of satin fabric and 1200 sq. meter of silk fabric. To produce curtain A, it needs 6 sq. meters of satin fabric and 4 sq, meters of silk fabric , while producing curtain B requires 3 sq. meters of satin and 1 sq. meter of silk fabric. If the curtain A can sold for P 200 per set and Curtain B can be sold for P 150 per set, what is the number of curtain A and curtain B that the garment factory must produce to obtain a maximum sale?
A supplier for the automobile industry manufactures car and truck frames at two different plants. How many hours should each plant be scheduled to operate to exactly fill each of the orders in the right table? The production rates (in Frames per hour) for each plant are given in the left table. Plant A B Car Frames 2 3 Complete the table below. Number of hours for plant A Number of hours for plant B Truck Frames 4 7 1 Car frames Truck frames ... Orders 2 1 634 1454 3 Orders 2 751 1635 3 848 1846
PhoneEx provides call center services for many different companies. A large increase in its business has made it necessary to establish a new call center. Four cities are being considered—Little Rock, Wichita, Tulsa, and Memphis. The new center will employ approximately 1,500 workers, and PhoneEx will transfer 75 people from its Omaha center to the new location. One concern in the choice of where to locate the new center is the cost of housing for the employees who will be moving there. To help determine whether significant housing cost differences exist across the competing sites, PhoneEx has asked a real estate broker in each city to randomly select a list of 33 homes between 5 and 15 years old and ranging in size between 1,975 and 2,235 square feet. (A) At the 0.05 level of significance, is there evidence to conclude that the average prices of houses between 5 and 15 years old and ranging in size between 1,975 and 2,235 square feet are not the same in the four cities? Use the…
A plant food is made from three chemicals, labeled I, II, and III. In each batch of the plant food, the amounts of chemicals II and III must be in the ratio of 4 to 3. The amount of nitrogen must be at least 42 kg. The percent of nitrogen in the three chemicals is 7%, 3%, and 4%, respectively. If the three chemicals cost $1.08. $0.86, and $0.65 per kilogram, respectively, how much of each should be used to minimize the cost of producing at least 750 kg of the plant food? The minimum cost plant food is made with kg of chemical 1 kg of chemical II, andkg of chemical III (Type integers or decimals. Round to one decimal place as needed.)
11. A photographer is promoting three photo specials. How much does it cost for each type of print? One 5x7 Two 5x7s O$25 Three 3x5s One wallet sheet 0$42 Five 3x5s One wallet sheet Four 5x7s 0$54 Four 3x5s Two wallet sheets 5X7 costs $7, 3 X 5 costs $5, Wallet costs $3 5X 7 costs $11, 3 X5 costs $7, Wallet costs $3 5X7 costs $12, 3 × 5 costs $11, Wallet costs $7 5X7 costs $7, 3 X 5 costs $5, Wallet costs $5
please substitute the value of a b c d in question
Suppose the order of profitability of cookies is as follows Ranking in terms of profitability Sugar Double Chocolate Chip Oatmeal Raisin White Chip Mac Nut Peanut Butter 3 4 1 5 2 Width of Cookie in Inches 4 6 4 4 4 How many total inches of horizontal display space would be used to sell Oatmeal Ralsin Cookies if the cookie display case is 24 inches across? Assume the Subw must offer at least three different kinds of cookies.
1. Big H hatchery sells 50 Rhode Island Red chicks for $117 + $20.50 for shipping. Litter Cs hatchery sells 75 Rhodel Island Red chicks for $163+25.75 shipping. Compare unit price (including shipping) for the chicks. 2. 2liter sodas are on sale at 3 for $7. You reckon you need 20 of them. What is the unit price of a 2liter soda? How much will 20 sodas cost at this rate?
4. Gabe's Gadgets has stores in three locations, Flint, Pontiac, and Detroit. The number of Gadgets sold in each location in September and October is given in the following table. Flint Pontiac Detroit Flint Pontiac Detroit September 30,000 45,000 70,000 The total cost, in dollars, at each location in September and October is given in the following table. The selling price of each gadget is $30. October 25,000 42,000 60,000 September 8,000 10,000 16,000 October 4,000 9,000 15,000 a. Write a 3x2 matrix X representing the number of gadgets sold at each location in September and October, and a 3x2 matrix C representing the total cost at each location in September and October. b. Find the matrix R where R=30X and explain the meaning of the entry 12. c. Find the matrix P where P=R-C and explain the meaning of the entry P31 -
A researcher believed that the number of rental cars in service by a car rental company would have an impact on the total annual revenue for that car rental company. Five small car rental companies were surveyed, with the number of Cars in service recorded in units of 1000 (so if a car rental company had 54000 cars in service, a 54 would be recorded) and Annual Revenue measured in millions of dollars (so an Annual Revenue of $10,000,000 would be recorded as 10). The data follows: Cars (1,000s) Annual Revenue ($ millions)11.5 118 10.0 135 9.0 100 5.5 37 3.3 32 Part of the Excel-generated Simple Linear Regression output is provided below: ANOVA df SS MS F Significance F Regression 1 7891.863897 7891.863897 22.91180151 0.017339231 Residual 3 1033.336103 344.4453677 Total 4 8925.2 Coefficients Standard Error t Stat P-value Intercept -19.12490108 23.1658578…
An automobile company produces cars in Los Angeles and Detroit and has a warehouse in Atlanta.The company supplies cars to customers in Houston and Tampa. The costs of shipping a car betweenvarious points are listed in the table below, where a blank means that a shipment is not allowed. LosAngeles can produce up to 1100 cars, and Detroit can produce up to 2900 cars. Houston must receive2400 cars, and Tampa must receive 1500 cars. (Include your formulations to receive credit. Thinkcarefully about the transhipment locations.) (a) Determine how to minimize the cost of meeting demands in Houston and Tampa. (b) Modify the answer to part (a) if shipments between Los Angeles and Detroit are not allowed. (c) Modify the answer to part (a) if shipments between Houston and Tampa are allowed at a cost of$5 per car.

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