A tank initially holds 200 gallons of water in which 40 pounds of salt have been dissolved. A brinecontaining 3 pounds of salt per gallon is pumped into the tank at a rate of 4 gal/min and then whenthe solution is well stirred, it is pumped out at the same rate. Determine the amount of salt in the-tank at any time t.4 of your book-(pagto pr

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Answered: A tank initially holds 200 gallons of…

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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w=mg for m
Teresa drops a paper towel from her rooftop, a distance of 20 feet (6 meters). A friend times how long it takes for the penny to fall to the ground for each of 3 drops. Calculate the average acceleration of the penny as it falls through the air. Time to Fall Trial 1 Trial 2 4.78 5.22 seconds seconds Trial 3 5.10 seconds
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Each row represents an experimental “run” (in this case, averaged sample of mango wine). Column A shows the run number; Column B shows the percentage of ethanol; Column C shows the amount of glycerol (in g/L); Column D shows the amount of acid (in g/L); Column E shows the temperature of the run (in °C); and Column F shows the pH of the run. Y represents Ethanol of mango wine. 1. Create a scatterplot of the ethanol data for all 20 runs a. Draw a graphical representation of the model that you chose to use. b. Comparing the model to your data, evaluate its fit in one or two sentences. (Not sure what this question is getting at. I've provided all the information given) c. Replace the generic Yi = β0 + ε with the information you have here. Please help. I have no idea what this even means or where to start. HERE is the attached dataset to start with; a b c d e f Run Ethanol Glycerol Acidity Temp pH 1 4.8 3.5 0.84 24 3.8 2 9.6…
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Find the value of w.
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