71. The BG Seed Company specializes in food products for birds and other household pets. In developing anew birdseed mix of 100 pounds, company nutritionists have specified that the mixture should contain atleast 13% protein and 15% fat and no more than 14% fiber. The percentages of each of these nutrients ineight types of ingredients that can be used in the mix are given in the below table, along with the wholesalecost per pound. Formulate an LP model to determine what is the minimum-cost mixture that meets the statednutritional requirements.IngredientSunflower seedsWhite milletKibble comOatsCracked comWheatSafflowerCanary grass seedProtein %16.912.08.515.48.512.018.011.9Fat %26.04.13.86.33.81.717.94.0Fiber %29.08.32.72.42.72.328.810.9Cost/lb$0.22$0.19$0.10$0.10$0.07$0.05$0.26$0.11

Given that BG Seed company, which specializes in food products for birds and other household pets.…

Answered: 1. The BG Seed Company specializes in…

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 Three production processes - A, B, and C - have the following cost structure: the selling price is 6.22 per unit Process Fixed Cost per Year Variable Cost per Unit A 109532 3.83 B 86834 4.29 C 87149 4.41 What is the cost of process A for a volume of 7367 units? (round to the nearest cent).
The prices and the numbers of various items used by a construction company are listed below: Item 2015 2020 Price (RM) Quantity 1700 Price (RM) Quantity 2000 Cement 16 18 125,000 400 Brick 2 2.5 130,000 TMX Steel 4 5 430 Binding Wire Compute the Fisher's Ideal Price Index for 2020 using 2015 as the base period. 40 600 42 630
Plant spacing can have both a positive and negative effect on crop yield. For example, closer spacing increases the number of plants and hence the yield per acre, but it also increases plant competition for available nutrients and moisture, thereby reducing the yield per plant. For an investigation of the effect of raw spacing on the production of garden peas, equal-sized fields at seven different locations were available. At each location, the field was divided into three square, equal- sized plots. Peas were planted at each location by randomly assigning one plot to be sown in a 4 inch row spacing, a second plot to be sown in an 8 inch row spacing and the third plot to be sown in a 12 inch row spacing. All plots were planted on the same date, and the plots at each location were treated the same except for row spacing. The yields of peas in bushels/ acre for each plot is given in the data table. The image below provide the following details : (1) Table on the left represents yield of…
In 1898 the United States and Spain fought a war over the U.S. intervention in the Cuban War of Independence. At that time, the U.S. military was concerned about the nutrition of its recruits. Many did not have a sufficient number of teeth to chew the food provided to soldiers. As a result, it was likely that they would be undernourished and unable to fulfill their duties as soldiers. The requirements at that time 1 specified that a recruit must have "at least four sound double teeth, one above and one below on each side of the mouth, and so opposed" so that they could chew food. Of the 58,952 recruits who were under the age 1 of 20, 68 were rejected for this reason. For the 43,786 recruits who were 40 or over, 3801 were rejected.21 (a) Find the proportion of rejects for each age group. (b) Find a 99% confidence interval for the difference in the proportions. (c) Use a significance test to compare the proportions. Write a short paragraph describing your results and conclusions. (d) Are…
A large St. Louis feed mill, Robert Orwig Processing, prepares its 6-month aggregate plan by forecasting demand for 50-pound bags of cattle feed as follows: January, 1,000 bags; February, 1,200; March, 1,250; April, 1,450; May, 1,400; and June, 1,400. The feed mill plans to begin the new year with no inventory left over from the previous year and backorders are not permitted. It projects that capacity (during regular hours) for producing bags of feed will remain constant at 800 until the end of April, and then increase to 1,100 bags per month when a planned expansion is completed on May 1. Overtime capacity is set at 300 bags per month until the expansion, at which time it will increase to 400 bags per month.
A cellphone provider has the business objective of wanting to determine the proportion of subscribers who would upgrade to a new cellphone with improved features if it were made available at a substantially reduced cost. Data are collected from a random sample of 400 subscribers. The results indicate that 93 of the subscribers would upgrade to a new cellphone at a reduced cost. Reducing the price will be profitable if at least 20% of the subscribers would upgrade. Complete parts (a) and (b) below. H,: z=0.20 OC. Họi 120.20 H: x0.20 What is the test statistic? ZSTAT (Type an integer or a decimal. Round to two decimal places as needed.) What is the p-value? The p-value is. (Type an integer or a decimal. Round to three decimal places as needed.) What is the final conclusion? the null hypothesis. There sufficient evidence that the percentage of people who would upgrade to a new cellphone at a reduced cost is 20%. b. How would the manager in charge of promotional programs concerning…
6. A drug company produces a drug from two ingredients, each ingredient contains same three antibiotics in different proportions. Each ingredient 1 produced results in P80 in cost; each ingredient 2 results in P50 in cost. The production of the antibiotics is dependent on the availability of limited resources, The resource requirements ( in grams) for the production are as follows: Antibiotic Resources requirement Minimum requirement Ingredient 1 Ingredient 2 1 1 4 12 The company wants to determine the number of grams of each ingredient 1 and 2 that must go in to drug in order to meet the antibiotics minimum requirements at the minimum cost.
A manufacturing company is analyzing its accident record. The accidents fall intotwo categories: Minor—dealt with by first aider: Average cost k50 Major—hospital required. Average cost k1,000The company has 1,000 employees, of which 180 are office staff and the restwork in the factory.The analysis shows that 10% of employees have an accident each year and 20%of accidents are major. It is assumed that an employee has more than oneaccident in a year.(i) Determine the expected total cost of accidents in a year. On further analysis it is discovered that a member of office staff has half theprobability of having an accident relative those in the factory.(ii)Show that the probability that a given a member of office staff has anaccident in a year is 0.0549. (iii) Determine the probability that a randomly chosen employee who has hadan accident is office staff
QUESTION 3: Mr. Daily moves to a new province and has the option to either use prepaid electricity or metered electricity. He requests a comprehensive summary of the costs per kWh of electricity consumed and decides to analyse the information received. He summarizes it in the table below. Use the information to provide answers to Mr. Daily's questions below. Metered electricity A service fee of R115.20 per month is charged for metered electricity (VAT excluded). Electricity is charged at RO.80 per kWh. Prepaid electricity No service fee is charged for prepaid electricity. Electricity is charged at R1.20 per kWh. The first 100 units are free. Cost ( Prepaid elec) Cost ( Metered elec) = R115.20 + R0.80 × (number of units used – free units) —D R1.20 x питber of units used
A water bill is composed of two components: A base charge and a water consumption charge. 2019 Rates 2020 Rates Base Charge $24.16 $25.37 2019 Rates 2020 Rates 0-34 water units $2.64 $2.77 35-54 water units $3.19 $3.35 More 54 water units $3.99 $4.19 Calculate the cost of water for 2019 if you used 48 water units. (Number only. Use the situation to decide appropriate rounding.)
4. Suppose the total money supply is $400bn, and the parameters r andc are the same as in question 3. Calculate the following: a. The monetary basel b. The stock of currency held by the non-bank public c. Bank reserves d. What is the effect on the stock of money if the reserve ratio falls to 7 per cent, the currency ratio is unchanged, and the monetary base is held constant?
1. Harimau Paper Sdn. Bhd. converts pulpwood to low, medium and high grade newsprint. The pulpwood requirements for each newsprint, availability of each pulpwood, and selling price (per ton) are shown Table 1. The LP is Pulpwood 1 Pulpwood 2 Pulpwood 3 Price Low grade 2 1 1 RM 900 Max z = 900x₁ + 1000x₂ + 1200x3 2x₁ + 2x₂ + x3 ≤ 180 S.t x₁ + 2x2 + 3x3 ≤ 120 x₁ + x₂ + 2x3 ≤ 160 X1, X2, X3 20 Table 1 Medium grade 2 2 1 RM 1000 High grade 1 3 2 RM 1200 Available (tons) 180 120 160

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