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a_sh-v
2 days ago
7

Assume that the carrying capacity for the US population is 800 million. Use it and the fact that the population was 282 million

in 2000 to formulate a logistic model for the US population. (Let t = 0 correspond to the year 2000. Use k for your constant.)
(a) P (t) = millions
(b) Determine the value of k in your model by using the fact that the population in 2010 was 309 million. k =
(c) Use your model to predict the US population in the years 2200 and 2400. (Round your answers to the nearest integer.) year 2200 millionyear 2400 million
(d) Use your model to predict the year in which the US population will exceed 500 million. (Round your answer down to the nearest year.)
Mathematics
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Tricia is going to write Patterns A , B , and C using the rule add 15. The first number in each pattern is shown below . Use the
Inessa [12570]

Response:

The number 40 can be found in Pattern B. Additionally, following the rule, each sequence will expand.

Detailed breakdown:

Let’s build each sequence. Recall that the guideline is to "add 15" to generate each sequence starting from the provided initial number.

Pattern A.

5+20+35+50+65+80+95+110+125+140+155+170+185+200+215+...

Pattern B.

10+25+40+55+70+85+100+115+130+145+160+175+190+205+...

Pattern C.

15+30+45+60+75+90+115+130+145+160+175+190+205+...

You can see that the number 40 appears in Pattern B. Moreover, per the rule, each pattern will show an increase.

8 0
2 months ago
I increase a number by 24% the answer is 6014 what number did I start with
babunello [11817]

Answer:

1443.36

Step-by-step explanation:

6014 multiplied by.24 equals 1443.36

I hope this is helpful

8 0
2 months ago
Un ingeniero civil a cargo de una obra contrata una cierta cantidad de obreros. Estima que, si le
lawyer [12517]

Al establecer un sistema de ecuaciones lineales, se determina que el total de obreros que contrató el ingeniero civil es 50.

Para descubrir cuántos obreros fueron contratados, se debe formular un sistema de ecuaciones lineales con dos ecuaciones y dos incógnitas, de la siguiente manera:

M - 1400*x = -8000   (1)

M - 1200*x = 2000   (2)

Donde:

M: representa la incógnita correspondiente al capital del ingeniero

x: simboliza la incógnita que denota el total de obreros

De la ecuación (1) podemos deducir:

M = 1400*x - 8000   (3)

Utilizando la ecuación (3) en la ecuación (2) podríamos calcular el valor de x (número de obreros):

1400*x - 8000 - 1200*x = 2000

200*x = 10000

x = 50

El monto inicial del ingeniero, según la ec (3), sería:

M = 1400*50 - 8000 = 62000

Por lo que, el número de obreros contratados por el ingeniero es 50.

Si quieres conocer otro método para resolver sistemas de ecuaciones lineales, puedes ingresar aquí:

                                                                                         

Espero que esto te ayude!

8 0
2 months ago
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