The image shows a set of hypothetical materials (A-D) on a trade-off chart of mass against cost. Which subset of the materials would represent the lowest cost solution?(downloadable image)ADCost IndexMass IndexB O ConlyO B, C and DO A, B and DOD onlyO A onlyO A, B and C

Answered: Image /qna-images/answer/31918929-348a-428a-8bf4-ffe6c05e932d.jpg

Answered: The image shows a set of hypothetical…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

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2. | Ecology: Habitat Wetlands offer a diversity of benefits. They provi habitat for wildlife, spawning grounds for U.S. commercial fish, and renewable timber resources. In the last 200 years, the United States has lost more than half its wetlands. Environmental Almanac gives the percentage of wetlands lost in each state in the last 200 years. For the lower 48 states, the percentage loss of wetlands per state is as follows: 50 35 59 73 81 42 36 37 46 31 56 74 39 56 38 27 24 52 87 35 28 30 54 9 46 91 27 49 50 59 85 72 90 23 35 67 49 89 50 87 46 60 48 38 Make a stem-and-leaf display of these data. Be sure to indicate the scale. How are the percentages distributed? Is the distribution skewed? Are there any gaps? 33
: 39% in 30m 20 CALENDAR Travel to Home Today at 11:02 PM Green Street f... Lumen... Sign In or School.. ohm Rukayat Balogun오 | User Settings My Classes Log Out ork manager ges Forums Calendar Gradebook 1:30am Fall 2018> Assessment pplications of Systems of Equations Due in 11 hours, 28 minutes. Due Fri 12/21/2018 10:00 am Monico needs to mix a 10% alcohol solution with a 50% alcohol solution to create 100 milli!eters of a 26% solution. How many millileters of each solution must Monico use? Answer: Monico must mix -milli!eters of 10% solution and milli!eters of 50% solution. Points possible: 1 Unlimited attempts License Submit on
The table shows per capita peach consumption.t Per Capita Consumption of Peaches (pounds) 1 2 Additional Materials eBook 3 4 5 6 Price (above $1.50 per pound) 0.10 0.20 0.30 4.8 4.7 6.2 6.1 7.0 6.9 7.6 7.5 8.0 8.0 8.4 8.3 8.3 0.00 5.0 4.9 6.4 6.3 7.2 7.1 7.8 7.7 8.2 8.1 8.6 8.5 (a) Find the function of the logarithmic cross-sectional model that gives per capita consumption of peaches at a price of $1.60 per pound, where f represents yearly family income in tens of thousands of dollars, with data from 1 ≤ f≤ 6. (Round all numerical values to three decimal places.) c(0.10, f) = 0.50 4.6 6.0 6.8 7.4 7.4 7.9 7.8 8.2 lb 0.40 4.7 6.1 6.9 (b) Calculate per capita peach consumption for families with a yearly income of $25,000 when the price is $1.60 per pound. (Round your answer to one decimal place.) lb
An existing urban freeway with 4 lanes in each direction has the following characteristics. Traffic data: Peak hour volume (in the peak direction): Trucks: PHF = 0.92 Geometric data: Lane width: Shoulder width: Total ramp density: Terrain: rolling 11 ft 6 ft 1.8 ramps per mile 7,210 veh/h 10% of peak hour volume Determine the LOS in the peak hour. (Assume commuter traffic and assume no RVs.) O LOS A O LOS B O LOS C O LOS D O LOS E O LOS F Show the demand flow rate (in pc/h/In), mean speed (in mi/h), and density (in pc/mi/In) for the given conditions. demand flow rate mean speed density pc/h/In mi/h pc/mi/In
3. (5.7.12) On June 2, 2010 USA Today reported a story from Bloomberg News that said that the total price tag for the project to build the new F-35 Joint Strike Fighter would be 65% higher than the original $232 billion estimate. The cost now is estimated to be $382 billion. The total cost of each plane would be $112.4 million, up 81% from the original $62 million. The cost to produce each plane would be $92.4 million, about 85% higher than the original estimate of $50 million. a. Check the arithmetic to see that the three percentage increases reported are correct. b. Can you explain how the project cost can have increased by just 65% when the overall total per plane increased by 81% and the construction cost alone increased by almost 85%?
Suppose that a company needs 1,500,000 items during a year and that preparation for each production run costs $900. Suppose also that it costs $14 to produce each item and $3 per year to store an item. Use the inventory cost model to find the number of items in each production run so that the total costs of production and storage are minimized.
An automobile manufacturer is considering mechanical design changes in one of its top-selling cars to reduce the weight of the car by at least 420 pounds to improve its fuel efficiency. Design engineers have identified 10 changes that could be made in the car to make it lighter (e.g., using composite body pieces rather than metal). The weight saved by each design change and the estimated costs of implementing each change are summarized in the following table. Design Change 1 2 3 4 6 7 8 10 Weight Saved (Ibs) 50 75 25 150 60 95 200 40 80 30 Cost (in $1,000s) 150 350 50 650 90 35 450 75 110 30 Changes 4 and 7 represent alternate ways of modifying the engine block and, therefore, only one of these options could be selected. The company wants to determine which changes to make in order to reduce the total weight of the car by at least 420 pounds in the least costly manner. (a) Formulate an ILP model for this problem to minimize cost (in thousands of dollars). (Let X, = 1 if design change i…
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The image shows a set of hypothetical materials (A-D) on a trade-off chart of mass against cost. Which subset of the materials would represent the lowest cost solution? (downloadable image) A D Cost Index Mass Index B