The following table shows the amount spent by four U.S. airlines to fly one available seat 1 mile in the second quarter of 2014. Set up a system and then solve using technology. HINT [See the technology note accompanying Example 1.]| Airline | United Continental | American | JetBlue | Southwest ||----------------------|--------------------|----------|---------|-----------|| Cost (¢) | 14.9 | 14.6 | 11.9 | 12.4 |Suppose that, on a 3,000-mile New York to Los Angeles flight, United Continental, American, and Southwest flew a total of 230 empty seats, costing them a total of $98,655. If United Continental had three times as many empty seats as American, how many empty seats did each of these three airlines carry on its flight?- United Continental: [ ] empty seats- American: [ ] empty seats- Southwest: [ ] empty seats

It is given that total journey is 3000 miles.Total empty seats=230Total cost of empty…

Answered: The following table shows the amount…

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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3. A political toy company manufactures stuffed donkeys and elephants using cotton and polyester. At present, 40 units of cotton and 30 units of polyester are available. A donkey sells for $4 and requires 1 unit of cotton and 1 unit of polyester. An elephant sells for $5 and requires 2 units of cotton and 1 unit of polyester. Formulate an LP that will help the company maximize profit.
Use excel to make the calculations One product has a holding cost of $250 per year. This product can be shipped in either 3 or 8 day shipping, with the faster shipping costing $2 more per product. Using the slower method would be how much more expensive per product than the faster method? Auto sales over a 4-month period were forecasted as follows: 89, 98, 105, and 97. The actual results over the 4-month period were as follows: 92, 96, 101, and 100. What was the MAD of the 4-month forecast? The errors in a particular forecast are as follows: 3, -3, 4, 0, -2. What is the tracking signal for each period of the forecast?
Quantitative Reasoning 2. Until Summer 2012, if you wanted an iPhone you needed to lock into a two-year contract. Then some mobile companics started selling the iPhone and letting you choose your own plan, with no contract. You can use the ideas from chapter 7 to make a quantitative comparison. Virgin Mobile began selling a 16 GB iPhone 4S for $649.99, with no plan or contract. They offered a $55 per month "unlimited" data plan (in fact it was not unlimited, as once you got past 2.5 GB of data they slowed the phone speed down considerably). If you purchased the phone through Sprint, it cost just $149.99. However, you had to sign up for a two year contract. The least expensive option was $79.99 with what they called unlimited data. (a) For each plan, find a linear function what shows how the total cost of the phone depends on the number of months you have it. • Virgin Mobile: y= . Sprint: y= (c) Clearly the Virgin Mobile plan is more expensive at first. When does it become the less…
the following table shows the amount spent by four U.S. airlines to fly one available seat 1 mile in the second quarter of 2020.† Set up a system and then solve using technology. Airline United American JetBlue Southwest Cost per 1,000 miles ($) 181 197 123 134 Suppose that, on a 3,000-mile New York to Los Angeles flight, United, American, and Southwest flew a total of 205 empty seats, costing them a total of $103,830. If United had three times as many empty seats as American, how many empty seats did each of these three airlines carry on its flight? United _____empty seats American _____empty seats Southwest ____empty seats
3.3-5
The following table provides data on three popular protein supplements. (Figures shown correspond to a single serving.) Protein(g) Carbohydrates(g) Sodium(mg) Cost($) DesignerWhey (Next) 18 2 80 0.50 Muscle Milk(Cytosport) 32 16 240 1.60 Pure WheyProtein Stack(Champion) 24 3 100 0.60 You are thinking of combining Designer Whey and Muscle Milk to obtain a 7-day supply that provides exactly 448 grams of protein and 112 grams of carbohydrates. How many servings of each supplement should you combine in order to meet your requirements? Designer Whey ______ servingsMuscle Milk ______ servings What will it cost? $

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