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AriannasMommy2010 Group TitleBest ResponseYou've already chosen the best response.1
The number of years a person in the united states is expected to live can be approximated by the equation y=0.189x+70.8,where x is the number of years since 1970.solve this equation for x. use this new equation to determine in which year the approximate life expectancy will be 80.2 years.
 one year ago

AriannasMommy2010 Group TitleBest ResponseYou've already chosen the best response.1
I have y=0.189x+70.8 Subtract 70.80 from both sides y 70.8=0.189x Divide both sides by 0.189x y70.8/0.189=x
 one year ago

AriannasMommy2010 Group TitleBest ResponseYou've already chosen the best response.1
Need to figure out where x is the number of years since 1970.solve this equation for x. use this new equation to determine in which year the approximate life expectancy will be 80.2 years.
 one year ago

AriannasMommy2010 Group TitleBest ResponseYou've already chosen the best response.1
?
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
You have this x = ( y  70.8)/0.189 plug in y = 80.2 and evaluate/simplify to find x
 one year ago

Yacoub1993 Group TitleBest ResponseYou've already chosen the best response.2
x=49.735
 one year ago

Yacoub1993 Group TitleBest ResponseYou've already chosen the best response.2
x= 49 years
 one year ago
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