SOLUTION: The formula F=0.04x2+22 models the percentage of female tenured faculty, F, at State University x years after 1980. According to the formula, in what year will the percentage of fe

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: The formula F=0.04x2+22 models the percentage of female tenured faculty, F, at State University x years after 1980. According to the formula, in what year will the percentage of fe      Log On


   



Question 588194: The formula F=0.04x2+22 models the percentage of female tenured faculty, F, at State University x years after 1980. According to the formula, in what year will the percentage of female tenured faculty reach 47?
Answer by nerdybill(7384) About Me  (Show Source):
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The formula F=0.04x2+22 models the percentage of female tenured faculty, F, at State University x years after 1980. According to the formula, in what year will the percentage of female tenured faculty reach 47?
set F to 47 and solve for x:
F=0.04x^2+22
47=0.04x^2+22
25=0.04x^2
625=x^2
25 = x
.
1980 + 25 = 2005