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anastassius [24]
3 years ago
13

Help needed for assignment

Mathematics
1 answer:
bearhunter [10]3 years ago
3 0
The answer is C........
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In an isolated environment, a disease spreads at a rate proportional to the product of the infected and non-infected populations
eimsori [14]

Answer:

Expression: N = C·L·l(t)· T + 20

The initial value problem and solution are expressed as a first order differential equation.

Step-by-step explanation:

First, gather the information:

total population, N = 2 000

Proportionality constant, C = 0.0002

l(t) number of infected individuals = l(t)

healthy individuals = L

The equation is given as follows:

N = C·L·l(t)

However, there is a change with time, so the expression will be:

\frac{dN}{dt} = C·L·l(t)

multiplying both sides  by dt gives:

dN  =   C·L·l(t)

Integrating both sides gives:

\int\limits^a_b {dN} \, dt = \int\limits^a_b {CLl(t)} \, dt

N = C·L·l(t)· T + K

initial conditions:

T= 0, N₀ = (0.01 ₓ 2 000)  = 20

to find K, plug in the values:

N₀ = K

20 = K

At any time T, the expression will be:

<u>N = C·L·l(t)· T + 20</u> Ans

8 0
3 years ago
I need help please<br><br> I need help please<br><br> I need help please
harina [27]

Answer:

0,0 which is the origin.

7 0
2 years ago
Jason earns &amp;10.59 per hour. He works 5.75 hours Saturday how much money does he earn Saturday? I know the answer is $60.89
marin [14]
So you are rounding 60.89.
I don't know which way you are aiming for to round, but here are some possible answers.
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alison has 1/2 cup of yogurt for making fruit parfaits . each parfait requires 1/8 cup of yogurt. how many parfaits can she make
alisha [4.7K]
4 cups because 8 devided by 2 is 4
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3 years ago
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