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រឿងហូលីវុដ ល្អមើលណាស់ អស់ស្ទះ

on March 07, 2018

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43. ● Population Distribution

43. ● Population Distribution In 1980 the U.S. population, broken down by regions, was 49.1 million in the Northeast, 58.9 million in the Midwest, 75.4 million in the South, and 43.2 million in the West.3 In 1990 the population was 50.8 million in the Northeast, 59.7 million in the Midwest, 85.4 million in the South, and 52.8 million in the West. Set up the population figures for each year as a row vector, and then show how to use matrix operations to find the net increase or decrease of population in each region from 1980 to 1990. 44. ● Population Distribution In 1990 the U.S. population, broken down by regions, was 50.8 million in the Northeast, 59.7 million in the Midwest, 85.4 million in the South, and 52.8 million in the West.4 Between 1990 and 2000, the population in the Northeast grew by 2.8 million, the population in the Midwest grew by 4.7 million, the population in the South grew by 14.8 million, and the population in the West grew by 10.4 million. Set up the population figur...

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រឿងហូលីវុដ​ ល្អមើលណាស់​ អស់ស្ទះ

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រឿងហូលីវុដ ល្អមើលណាស់ អស់ស្ទះ