SOLUTION: Race time. The equation R=0.028t+20.8 can be used to predict the world record in the 200-m-dash, where R is the record in seconds and t is the number of years since 1920. In what y
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Question 549958: Race time. The equation R=0.028t+20.8 can be used to predict the world record in the 200-m-dash, where R is the record in seconds and t is the number of years since 1920. In what year will the record be 18.0 seconds?
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
R = 0.028t+20.8
Let R = 18.0 and solve equation for t.
Can you take it from here?
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