SOLUTION: in 1988 florence griffith joyner set a record of the 10.49 sec in the women's 100-m dash. the equation R=-0.0433t+10.49 can be used to estimate the world record in the women's 100
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Question 462488: in 1988 florence griffith joyner set a record of the 10.49 sec in the women's 100-m dash. the equation R=-0.0433t+10.49 can be used to estimate the world record in the women's 100-m dash t years after 1988. for what years are the records 10.057 sec and 9.494 sec?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
given:
(1)
Subtract from both sides
Divide both sides by
The record was 10.057 sec in 1988 + 10 = 1998
(2)
(rounded off)
The record was 9.494 sec in 1988 + 23 = 2011
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