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Vedmedyk [2.9K]
3 years ago
8

A town has a population of 2000 and grows at 4% every year write an equation to represent the scenario​

Mathematics
1 answer:
vfiekz [6]3 years ago
7 0

Answer: P=2000(1.04)^t.

Step-by-step explanation:

It is given that,

Initial population of a town = 2000

Growth rate = 4% = 0.04 per year

The exponential growth function for population is

P=P_0(1+r)^t

where, P_0 is initial population, r is growth rate and t is number of years.

Substitute P_0=2000,r=0.04 in the above equation.

P=2000(1+0.04)^t

P=2000(1.04)^t

Therefore, the required equation is P=2000(1.04)^t, where P is population after t years.

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Answer:

1) c) 96 cm

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Step-by-step explanation:

1)

La fórmula para el perímetro de un rectángulo = 2L + 2W

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L = longitud

W = ancho

Se nos dice en la pregunta que:

La longitud de un rectángulo es tres veces su ancho. Si el ancho es de 12 cm

Por lo tanto,

L = 3 W

L = 3 × 12

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2)

La fórmula para el perímetro de un heptágono regular = 7a

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3)

La fórmula para el perímetro de un rectángulo = 2L + 2W

= 2 (largo + ancho)

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W = ancho

Se nos dice en la pregunta que:

Si un campo de fútbol tiene 98 m de largo y su ancho es igual a la mitad de esta medida,

Por lo tanto,

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W = 1/2 de longitud

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= 49

Por lo tanto, el perímetro =

2 (largo + ancho) m

= 2 (98 + 49) m

= 2 (147) m

= 294 m

4)

El parque es de forma rectangular.

Longitud = 45 m

Ancho = 38.000 mm

Convertir mm en m

1 milímetro = 0,001 metro

38.000 milímetro =

38.000 × 0,001 metros

= 38 metros (38 m)

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Perímetro = 2 (L + W)

= 2 (45 + 38)

= 2 (83)

= 166 m

Distancia alrededor del parque una vez = 166 m

Pero nos dijeron que dio la vuelta al parque 2 veces, por lo tanto, la distancia que recorrió = 166 m × 2

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