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Aleksandr-060686 [28]
3 years ago
11

Evaluate f(x) = 2x at x = 5. A) 32 B) 10 C) 64 D) 25

Mathematics
1 answer:
maks197457 [2]3 years ago
7 0

Answer:

A is the answer 32

Step-by-step explanation:

use a digital calculator or a scientific

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22 1/2

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3 years ago
The rate of change (dP/dt), of the number of people on an ocean beach is modeled by a logistic differential equation. The maximu
Kazeer [188]

Answer:

\frac{dP}{dt} = 2.4P(1 - \frac{P}{1200})

Step-by-step explanation:

The logistic differential equation is as follows:

\frac{dP}{dt} = rP(1 - \frac{P}{K})

In this problem, we have that:

K = 1200, which is the carring capacity of the population, that is, the maximum number of people allowed on the beach.

At 10 A.M., the number of people on the beach is 200 and is increasing at the rate of 400 per hour.

This means that \frac{dP}{dt} = 400 when P = 200. With this, we can find r, that is, the growth rate,

So

\frac{dP}{dt} = rP(1 - \frac{P}{K})

400 = 200r(1 - \frac{200}{1200})

166.67r = 400

r = 2.4

So the differential equation is:

\frac{dP}{dt} = rP(1 - \frac{P}{K})

\frac{dP}{dt} = 2.4P(1 - \frac{P}{1200})

3 0
3 years ago
Which number is equal to 7times 100+2times 1over 10+5times 1over 100?????????
Sergeu [11.5K]
7*100+2*1= 702
10+5*1= 15
702+15= 717
 i hope that is really does help if it don't i am sorry
7 0
3 years ago
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