document.write( "Question 573281: In 1993, the life expectancy of males in a certain country was 67.7 years. In 2000, it was 66.5 years. Let E represent the life expectancy in year t and let t represent the number of years since 1993. \r
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Algebra.Com's Answer #368725 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
from 1993 to 2000 the life expectancy decreased from 67.7 to 66.5\r
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\n" ); document.write( "\n" ); document.write( "this change of -1.2yr per 7 yrs would be the slope of a linear graph\r
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\n" ); document.write( "\n" ); document.write( "E = (-1.2/7)t + 67.7
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