SOLUTION:
The number of people infected after t days is P = 200 + 5t - t2. Find the number of days until the number of people infected is 176.
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Question 246626:
The number of people infected after t days is P = 200 + 5t - t2. Find the number of days until the number of people infected is 176.
Answer by dabanfield(803) (Show Source): You can put this solution on YOUR website!
The number of people infected after t days is P = 200 + 5t - t2. Find the number of days until the number of people infected is 176.
Did you mean t^2 for t2?
If so:
Then 176 = 200 + 5t - t^2 which is equivalent to
t^2 - 5t - 24 = 0
Solve this quadratic equation for x. Hint: -24 = 8*(-3) and 8-3 = 5
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