114Exercise 12. 2 Flow Diagrams:1. Use the rule to find out the following and show all your calculations: n = m+52-n = m+5152: Use the rule to find out the following and show all your calculations: y =÷r%3D2y =Grade 7 Worksheet (Activities)

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Answered: Exercise 12. 2 Flow Diagram 1. Use the…

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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The table describes the height of a weather balloon, in meters, minutes after its launch. Time (minutes) Height (meters) 0 60 1 68.2 2 74.3 3 80.9 4 89.7 8 128.5 Select which equation best models the data. O O O O y = 8.52 +58 y = 8.2x + 60 y = 11.4x +57 y = 11.8x + 54
How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y be the average weight of the pony (in kilograms). x 3 6 12 20 26 y 60 95 140 160 189 (a) Make a scatter diagram of the data and visualize the line you think best fits the data. Flash Player version 10 or higher is required for this question. You can get Flash Player free from Adobe's website. (b) Would you say the correlation is low, moderate, or strong? low moderate strong Would you say the correlation is positive or negative? positive negative (c) Use a calculator to verify that x = 67, x2 = 1265, y = 644, y2 = 93,546, and xy = 10,544. Compute r. (Round your answer to three decimal places.) As x increases from 3 to 26 months, does the value of r imply that y should tend to increase or decrease? Explain your answer. Given our value of r, y should…
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Q4 A train leaves Waterloo and travels westbound. Due to track maintenance, it takes the train 2 hours to travel the first 120 km. Once it leaves the construction zone, the train travels at 140 km/h for the rest of the trip. Let s represent the average speed, in km/h, over the entire trip and t represent the time, in hours, spent travelling after leaving the construction zone. If the average speed of the entire trip is 100 km/h, what is the total distance travelled by the train? O O O O Option 1 450km Option 2 350km O Option 3 Option 3 500km O Option 4 400km
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K The accompanying data represent the yearly amount of solar power installed (in megawatts) in a particular area from 2000 through 2008. The trend forecasting equations below were found, where X is the number of years after 2000. Complete parts (a) through (d) below. Y = -9.156+28.5667X, Y₁ = 22 46 +1.467X₁ +3.3874X² Click the icon to view the data table. a. Compute the standard error of the estimate (Syx) for each model. Linear Quadratic Syx (Round to three decimal places as needed.) b. Compute the MAD for each model. Linear Quadratic MAD 0 (Round to three decimal places as needed.). c. On the basis of (a) and (b) and the principle of parsimony, which forecasting model would you select? The model with the values of Syx and MAD should be used, which is the quadratic linear model. autoregressive 4 exponential Yearly Amount of Solar Power Installed Year 2000 2001 2002 2003 2004 2005 2006 2007 2008 Amount (megawatts) 16 28 44 71 85 98 142 209 253 Print D Done X Clear all Check answer 80…
Fill in the blanks outside the table showing the changes in the x- and y-values. Then, answer the questions. 1) a. Is it a linear function? b. Why/Why not? -3 1. -2 -1 3 4 1 5 2) a. Is it a linear function? b. Why/Why not? -5 2 1. -2 4 -1 6 1. 2 8 1. 10 3) -10 a. Is it a linear function? 1. -5 b. Why/Why not? 4 2 5 1. 10 -3 4) y a. Is it a linear function? b. Why/Why not? -1 -9 ]. -4 1. 1 1. 3 7 11 1. 11 15

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Exercise 12. 2 Flow Diagram 1. Use the rule to find out the following and show all your c 1. 2- n = m + 5 15 2: Use the rule to find out the following and show all your 2- = -x 3 5. Grade 7 Worksheet (Activities)