Solve this question with Equipment Replacement Method 12-25. Circle Farms wants to develop a replacement policy for its 2-year-old tractor over thenext 5 years. A tractor must be kept in service for at least 3 years, but must be disposedof after 5 years. The current purchase price of a tractor is $40,000 and increases by 10%a year. The salvage value of a l-year-old tractor is $30,000 and decreases by 10% a year.The current annual operating cost of the tractor is $1300 but is expected to increase by10% a year.(a) Formulate the problem as a shortest-route problem.(b) Develop the associated recursive equation.(c) Determine the optimal replacement policy of the tractor over the next 5 years.

Given, Circle Farms wants to develop a replacement policy for its 2-year-old tractor over the next 5…

Answered: Solve this question with Equipment…

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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A low resting heart rate can mean a high degree of physical fitness, which is associated with reducedrates of cardiac events like heart attacks. By working out regularly in the gym, the heart becomes moreefficient, pumping the lowest amount of blood one needs when in a relaxed state. Normal resting heartrate for adults ranges from 60 to 100 beats per minute but a well-trained athlete can have a normal restingheart rate as low as 40 beats per minute. Dr. Castillejo wants to know if her gym members have attainedthis average resting heart rate of athletes. Use the R commander output below to address Dr. Castillejo’sconcern . Write a brief report about the analysis by identifying the set of hypotheses to be tested, theappropriate test to use, and implications and recommendations of/from the conclusions.
answer part 2 frq styed please and show work 1. Because of the constantly evolving political climate around the United States, Gallup (who regularly conducts polls in the U.S.) conducted a poll just after the inauguration asking U.S. adults if they approve of the initiatives President Biden had implemented in his first few days in office. Another Gallup poll was conducted now that President Biden has been in office for a month asking U.S. adults if they approve of the initiatives President Biden had implemented after his first month in office. According to the first Gallup poll of 1500 randomly selected U.S. adults, 64% approved of the initiatives President Biden had implemented in his first few days in office. And according to the second Gallop poll of 1700 U.S. adults, 54% approved of the initiatives President Biden had implemented after his first month in office. Construct and interpret a 95% confidence interval for the change (difference) in the true proportion of U.S. adults…
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4. Height is sometimes used to determine medicinal or nutritional needs. When a patient is bedridden, it can be difficult to determine height accurately. To deal with this issue, formulas have been developed that are based on a measurement that can be easily obtained on a prone patient Height in cm (females) 84.88 (0.24 x age) (1.83 x knee height) Height in cm (males) 64.19-(0.04 × age) + (2.02 × knee height) To find a patient's knee height, the knee and ankle of the patient are held at a 90° angle and the length from the heel to the knee is measured in centimeters. Age is in years. Based on: www.rxkinetics.com a. Find the height of an 80-year-old female patient whose knee height is 16 inches. Give the final result in inches. b. Test the formula on yourself to see how accurately your knee height and age predict your height.
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