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# Step-by-step answer: Show how to approximate the required work by a Riemann sum. Then ISBN: 9781305270336 484

## Solution for problem 21 Chapter 6.4

Single Variable Calculus: Early Transcendentals | 8th Edition

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Problem 21

Show how to approximate the required work by a Riemann sum. Then express the work as an integral and evaluate it. An aquarium 2 m long, 1 m wide, and 1 m deep is full of water. Find the work needed to pump half of the water out of the aquarium. (Use the fact that the density of water is 1000 kgym3 .)

Step-by-Step Solution:
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Econ 202 ~ Chapter 6 ~ Measuring the Cost of Living How the CPI is calculated The consumer price index shows the “cost” of a basket of goods and services “relative to the cost” of the same basket in the base year. The index is used to measure the “overall level of prices” in the economy. The percentage change in the consumer price index measures the inflation rate. CPI measures the overall cost of the goods and services purchased by a typical household. The CPI measures the typical cost of living, inflation and the inflation rate.  Inflation rate ~ is the percentage of change in the “current” CPI from a previous CPI  CPI = Price of basket of G&S in current year / Price of basket in base year X 100  Inflation rate = CPI (t) – CPI (t-1) / CPI (t-1) X 100

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##### ISBN: 9781305270336

Since the solution to 21 from 6.4 chapter was answered, more than 231 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Single Variable Calculus: Early Transcendentals, edition: 8. Single Variable Calculus: Early Transcendentals was written by and is associated to the ISBN: 9781305270336. The full step-by-step solution to problem: 21 from chapter: 6.4 was answered by , our top Calculus solution expert on 03/19/18, 03:29PM. This full solution covers the following key subjects: . This expansive textbook survival guide covers 95 chapters, and 5427 solutions. The answer to “Show how to approximate the required work by a Riemann sum. Then express the work as an integral and evaluate it. An aquarium 2 m long, 1 m wide, and 1 m deep is full of water. Find the work needed to pump half of the water out of the aquarium. (Use the fact that the density of water is 1000 kgym3 .)” is broken down into a number of easy to follow steps, and 63 words.

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