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3 years ago

25-29 PLZ HELPPPP MEEEEE

Mathematics

1 answer:

valentina_108 [34]3 years ago

5 0

Answer:

25. Lois spent $11.99

26. Leah spent $101.61

27. Brittany jogged 13.6 miles

28. Each package weighed 0.321 kilograms

29. Each of the eight friends paid $6.03

Could I please have a brainliest?

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1,000 kilograms equals 1 _______?

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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,

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

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

$166.67r = 400$

$r = 2.4$

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

HELP ALGEBRA IS KILLING ME IMAGE IS BELOW

djyliett [7]

Answer:

58240

Step-by-step explanation:

1425 ------ 45600

1820 ------ x

1425*x = 1425x

45600*1820 = 82992000

1425x = 82992000

82992000/1425 = x

58240 = x

6 0

3 years ago