Mathematics For Machine Technology
8th Edition
ISBN: 9781337798310
Author: Peterson, John.
Publisher: Cengage Learning,
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Textbook Question
Chapter 3, Problem 8A
Subtract each of the fractions in Exercises 7 through 9. Reduce to lowest terms where necessary.
8.a.
b.
c.
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6. Modelling. Suppose that we have two tanks (A and B) between which a mixture of brine
flows. Tank A contains 200 liters of water in which 50 kilograms of salt has been dissolved
and Tank B contains 100 liters of pure water. Water containing 1kg of salt per liter is
pumped into Tank A at the rate of 5 liters per minute. Brine mixture is pumped into
Tank A from Tank B at the rate of 3 liters per minute and brine mixture is pumped from
Tank A into Tank B at the rate of 8 liters per minute. Brine is drained from Tank B at a
rate of 5 liters per minute.
(a) Draw and carefully label a picture of the situation, including both tanks and the flow
of brine between them.
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Brine mix is pumped from
tank A to B of 82
Brine drainen
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by Gf salt (b) Assume all brine mixtures are well-stirred. If we let t be the time in minutes, let x(t)
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Chapter 3 Solutions
Mathematics For Machine Technology
Ch. 3 - Determine the least common denominator of 23,58,...Ch. 3 - Express 14,56, and 712as equivalent fractions...Ch. 3 - Express 298 as a mixed number.Ch. 3 - Express the mixed number 516as an improper...Ch. 3 - Add 512+34+16 .Ch. 3 - Add 238+134+513 .Ch. 3 - Subtract each of the fractions in Exercises 7...Ch. 3 - Subtract each of the fractions in Exercises 7...Ch. 3 - Subtract each of the fractions in Exercises 7...Ch. 3 - Prob. 10A
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