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39. Sales Let matrix A represent the sales (in thousands of dollars) for the Walbash Company in 2018 in various cities, and let matrix B represent the sales (in thousands of dollars) for the same company in 2019 in the same cities. Chicago Atlanta Memphis 450 280 850 Wholesale A = 400 350 150 Retail Chicago Atlanta Memphis 375 300 710 Wholesale B = %3D 410 300 200 Retail (a) Write the matrix that represents the total sales by type and city for both (b) Write the matrix that represents the change in sales by type and city from 2018 to 2019, years.

39. Sales Let matrix A represent the sales (in thousands of dollars) for the Walbash Company in 2018 in various cities, and let matrix B represent the sales (in thousands of dollars) for the same company in 2019 in the same cities. Chicago Atlanta Memphis 450 280 850 Wholesale A = 400 350 150 Retail Chicago Atlanta Memphis 375 300 710 Wholesale B = %3D 410 300 200 Retail (a) Write the matrix that represents the total sales by type and city for both (b) Write the matrix that represents the change in sales by type and city from 2018 to 2019, years.

Algebra and Trigonometry (6th Edition)
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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#39 please write out all steps and explain them because i will not understand otherwise
ppines 5.5 Females 14-17 18-64 Over age 64 99,918 :4 Under age 5 5-13 26,654 95 2015 10,288 17,988 8153 8104 100,863 30,999 2020 10,658 18,640 8093 101,162 8653 101,839 35,848 40,066 2025 10,807 19,301 pro- 2030 10,875 19,717 39. Sales Let matrix A represent the sales (in thousands of dollars) for the Walbash Company in 2018 in various cities, and let matrix B represent the sales (in thousands of dollars) for the same company in 2019 in the same cities. nt, Chicago Atlanta Memphis 450 280 850 Wholesale A = 400 350 150 Retail Chicago [375 B = 410 Atlanta Memphis 300 710 Wholesale 300 200 Retail (a) Write the matrix that represents the total sales by type and city for both years. (b) Write the matrix that represents the change in sales by type and city from 2018 to 2019. 40. Opinion polls A poll of 3320 people revealed that of the respondents that were registered Republicans, 843 approved of their representative's job performance, 426 did not, and 751 had no opinion. Of the registered Democrats, 257 approved of their representative's job performance, 451 did not, and 92 had no opinion. Of those registered as independents, 135 approved, 127 did not approve, and 38 had no opinion. Of the remaining respondents, who were not registered, 92 approved, 64 did not approve and 44 he
Transcribed Image Text:ppines 5.5 Females 14-17 18-64 Over age 64 99,918 :4 Under age 5 5-13 26,654 95 2015 10,288 17,988 8153 8104 100,863 30,999 2020 10,658 18,640 8093 101,162 8653 101,839 35,848 40,066 2025 10,807 19,301 pro- 2030 10,875 19,717 39. Sales Let matrix A represent the sales (in thousands of dollars) for the Walbash Company in 2018 in various cities, and let matrix B represent the sales (in thousands of dollars) for the same company in 2019 in the same cities. nt, Chicago Atlanta Memphis 450 280 850 Wholesale A = 400 350 150 Retail Chicago [375 B = 410 Atlanta Memphis 300 710 Wholesale 300 200 Retail (a) Write the matrix that represents the total sales by type and city for both years. (b) Write the matrix that represents the change in sales by type and city from 2018 to 2019. 40. Opinion polls A poll of 3320 people revealed that of the respondents that were registered Republicans, 843 approved of their representative's job performance, 426 did not, and 751 had no opinion. Of the registered Democrats, 257 approved of their representative's job performance, 451 did not, and 92 had no opinion. Of those registered as independents, 135 approved, 127 did not approve, and 38 had no opinion. Of the remaining respondents, who were not registered, 92 approved, 64 did not approve and 44 he
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