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Sveta_85 [38]
2 years ago
11

Write an equation using “” and then solve the equation. The late fee for each day is $2. A patron paid $72 for books that are ov

erdue for 9 days.
Mathematics
1 answer:
topjm [15]2 years ago
4 0
Pretty simple equation, where we need to find the number of books. If it is 2$ each day per book
72/9 = 8$ per day is the late fee paid
So if each book is 2$, then we can assume
8/2 = 4 books

So equation is
“# books = (amount paid)/(days * per day payment)”
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3 0
3 years ago
A model for tumor growth is given by the Gompertz equation dV dt = a (In b-, In V) V where a >0 and b >0 are constants and
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Answer:

V(t) = b^{(1-e^{-at})}

Step-by-step explanation:

We are given the following information in the question:

\displaystyle\frac{dV}{dt} = a (In b - In V) V

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\displaystyle\frac{dV}{dt} = a (In b-In V) V\\\\\displaystyle\frac{dV}{dt} = -aV(ln\frac{V}{b})\\\\\frac{dV}{V(ln\frac{V}{b})} = (-a)dt\\\\\text{Put } ln\frac{V}{b} = z\\\\\text{Integrating both sides}\\\\\int \frac{dV}{V(ln\frac{V}{b})} = \int (-a)dt\\\\\text{We get}\\\\\int \frac{dz}{z} = \int (-a)dt\\\\\\\text{where C is the constant of integration}

V(0) = 1~ mm^3\\V(t) = b.e^{e^{-at+C}}\\\text{Putting t =0, V(0) = 1}\\\\V(0) = 1 = b.e^{e^{C}}\\\\V(t) = b^{(1-e^{-at})}

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5 0
3 years ago
PLEASE HELP WITH THIS!!
rosijanka [135]
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Then take $22,625.00 + $<span>1,357.50 +$40.00 = $24.022.50</span>

3 0
3 years ago
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Ratio of:
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8 0
3 years ago
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Find the gcf of 15a and 28b^2. 9ab^2 0 3 1
lions [1.4K]
Answer:

GCF(15a; 28b²) = 1
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