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Re: stuck on a diff eq problem
Let 10pm be time X. Then 11pm is time X+1...
31 = 22e^(kx) + 15 ... 16/22 = e^(kx) ... ln (8/11) = kx k = ln (8/11) / x Now, plug in x+1... 29 = 22e^(kx+k) + 15 ... 14/22 = e^(kx+k) ln (7/11) = k (x+1) ln (7/11) = ln (8/11) * (1 + 1/x) I don't feel like doing the rest, but solve for x obv. |
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