Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:Suppose
that in a certain local economy we have natural gas and coal industries. To produce one dollar in output, each industry needs the following input:
• The natural gas industry requires $0.2 from itself and $0.6 from coal.
• The coal industry requires $0.1 from natural gas and $0.4 from itself.
a12
all
Find the input-output matrix A of this economic system, where A =
Assume the first row and column correspond to the natural gas industry and the
a21 a22
second row and column correspond to the coal industry. Write the exact answer. Do not round.
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