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Nata [24]
3 years ago
10

How much time would it take for a population to double at a rate of 8.2% per year continuously?

Mathematics
1 answer:
Marta_Voda [28]3 years ago
5 0
You want to find t such that
  2 = 1·e^(0.082t)
  ln(2) = 0.082t . . . . . take the natural log
  ln(2)/0.082 = t ≈ 8.453

It would take about 8.5 years for a population to double at 8.2% per year.
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Problema de capacidades Una empresa aceitera ha envasado 3000 litros de aceite en 1200 botellas de dos y de cinco litros. ¿Cuánt
mariarad [96]

Answer:

Hay 200 botellas de 5 litros y 1000 botellas de 2 litros.

Step-by-step explanation:

Un sistema de ecuaciones lineales es un conjunto de dos o más ecuaciones de primer grado, en el cual se relacionan dos o más incógnitas.

Resolver un sistema de ecuaciones consiste en encontrar el valor de cada incógnita para que se cumplan todas las ecuaciones del sistema.

En este caso, las variables a calcular son:

  • x= cantidad de botellas de 2 litros.
  • y= cantidad de botellas de 5 litros.

Una empresa aceitera ha envasado 3000 litros de aceite en 1200 botellas de dos y de cinco litros. Entonces es posible plantear el siguiente sistema de ecuaciones:

\left \{ {{2*x+5*y=3000} \atop {x+y=1200}} \right.

Existen varios métodos para resolver un sistema de ecuaciones. Resolviendo por el método de sustitución, que consiste en despejar o aislar una de las incógnitas y sustituir su expresión en la otra ecuación, despejas x de la segunda ecuación:

x= 1200 - y

Sustituyendo la expresión en la primer ecuación:

2*(1200 - y) + 5*y=3000

Resolviendo se obtiene:

2*1200 - 2*y + 5*y= 3000

2400 +3*y= 3000

3*y= 3000 - 2400

3*y= 600

y= 600÷3

y= 200

Reemplazando en la expresión x= 1200 - y:

x= 1200 - y

x=1200 -200

x= 1000

<u><em>Hay 200 botellas de 5 litros y 1000 botellas de 2 litros.</em></u>

7 0
3 years ago
The original price for the camera is 150 if a discount of 30% is given, what is the discounted price
bazaltina [42]

Hello,

The camera is $150

The discount is 30%

First multiply the % by 100 to get a decimal

150 * 0.30 = 45

-----------------------------------------------------------------------------------------------------------------

The Camera now costs $105

The discount price was $45

Hope this helps

-GoldenWolfX

3 0
3 years ago
Read 2 more answers
A line contains the points(– 4, 1) and (4,6). Decide whether or not each of these points is on the line.
iragen [17]

Answer:

its undefined so it wont be on the line

Step-by-step explanation:

6-1=5

4-4=0

5 0
2 years ago
Please help.. will mark Brainliest!
hoa [83]

Answer:

65

Step-by-step explanation:

it is the same angle as angle one so it would be the same

6 0
3 years ago
Read 2 more answers
What are tangent lines
yawa3891 [41]

Answer:

In geometry, the tangent line to a plane curve at a given point is the straight line that "just touches" the curve at that point. Leibniz defined it as the line through a pair of infinitely close points on the curve.

Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
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