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Mathematics 15 Online
OpenStudy (anonymous):

HELP FAST ANSWER PLEASE FAN/MEDAL The equation - 5x² + 72x + 378 models the number of students enrolled in a school where x is the number of years since the school first opened in 1990. In which year were 502 students enrolled?

OpenStudy (anonymous):

or x= 1.55 or 2 years = 542 students \[x=(-36\pm2\sqrt{479})/5\]

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