デジタル形式で段階的に解決ありがとう!!SOLVE STEP BY STEP IN DIGITAL FORMAT2. It is known that the speed of growth of a region's vehicle fleet is proportionalto the number of existing vehicles. For an urban planning study, in year zero ofthe project there was an initial quantity of 200,000 vehicles. After five years ofobservations, the number of vehicles had grown to 250,000 units. Determine:a) the proportionality constantb) the time in which the vehicle fleet reaches 350,000 units

Given that the speed of growth of a regions vehicle fleet is proportional to the number of existing…

Answered: SOLVE STEP BY STEP IN DIGITAL FORMAT 2.…

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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At inventory time, 435 pounds of magnet wire for winding motors is available. In ten successive days, 15 pounds, 6 pounds, 24 pounds, 12 pounds, 3 pounds, 8 pounds, 17 pounds, 32 pounds, 16 pounds, and 13 pounds of wire are taken out of stock. How many pounds are left?
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Which of the following equations correctly predicts the selling price of a new house in the market whose area happens to be 2000 square feet? A) HousePrice = 58.033+0.033*2000 B) HousePrice = 1.693+3.329*2000 C) HousePrice = 98.248+0.110*2000
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(1) The rate of data transfer from an internet provider is 2300bytes per second. How long will it take to transfer a 387000 bytes document. (2) a long distance phone company charged 6.8 cents per minute, how many minutes did he spend if the total bill is $ 23.80
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An fruit grower knows from previous experience and careful data analysis that if the fruit on a specific kind of tree is harvested at this time of year, each tree will yield, on average, 127 pounds, and will sell for $4.6 per pound. However, for each additional week the harvest is delayed (up to a point), the yield per tree will increase by 2.1 pounds, while the price per pound will decrease by $0.07. A) How many weeks should the grower wait before harvesting the apples in order to maximize the sales revenue per tree? (Round your answer to the nearest tenth of a week.) Answer: __________ (rounded to the nearest tenth) B) Use your answer in part A to find the actual maximum revenue that can be expected. (Round your answer to the nearest dollar.) Answer: ____________ dollars (rounded to the nearest dollar)
3. Prices of diamonds are determined by what is known as the 4 Cs: cut, clarity, color, and carat weight. The prices of diamonds go up as the carat weight increases, but the increase is not smooth. For example, the difference between the size of a 0.99 carat diamond and a 1 carat diamond is undetectable to the naked human eye, but the price of a 1 carat diamond tends to be much higher than the price of a 0.99 diamond. In this question we use two random samples of diamonds, 0.99 carats and 1 carat and compare the average prices of the diamonds. In order to be able to compare equivalent units, we first divide the price for each diamond by 100 times its weight in carats. That is, for a 0.99 carat diamond, we divide the price by 99. For a 1 carat diamond, we divide the price by 100. 0.99 carats 1 carat $44.51 $13.32 Мean $54.42 SD $16.03 23 1558 Find a 95% confidence interval for the difference in Price Per Carat between 0.99 and 1.00 carat diamonds. Interpret the interval in context. If…
Part 1 The following system of equations is row reduced. 1 0 0 1 -15 1 1 13 2 How many solutions does this system of equations have? (If it has an infinite number write infinite). infi Part 2 Which of the following are arbitrary solutions? (Note: the first column represents w, the second column represents x, etc.) OA. y В.х C. Z D. w • Part 3 Write the non-arbitrary parameters in terms of the arbitrary ones. W = ... X = y = OO DU

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