Asked by Helen
How do I solve for:
5000 = 45t^2 + 240t + 450
5000 = 45t^2 + 240t + 450
Answers
Answered by
Reiny
45t^2 + 240t - 4550 = 0
9t^2 + 48t - 910 = 0
by the formula
t = (-48 ± √35064)/18 = (-48 ± 2√8766)/18
= (-24 ± √8766)/9
Use your calculator if you want a decimal answer
9t^2 + 48t - 910 = 0
by the formula
t = (-48 ± √35064)/18 = (-48 ± 2√8766)/18
= (-24 ± √8766)/9
Use your calculator if you want a decimal answer
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