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Liula [17]
3 years ago
6

La población mundial al inicio de 1990 era de 5,3 mil millones de personas. Si la población continua creciendo con la razón actu

al de aproximadamente 2% por año:
a) Halla la función Q(t) que expresa la población mundial (en miles de millones) como función del tiempo t (en año), donde t = 0 corresponde al inicio de 1990.
b) Según este modelo ¿Cual seria la población mundial al inicio de 2016?
Mathematics
1 answer:
liraira [26]3 years ago
5 0
¿Tú hablas inglés? (Do you speak English)
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Allushta [10]

Answer:

8.5

Step-by-step explanation:

When you write out the data set, it looks like this:

5, 8, 8, 8, 8, 9, 9, 9, 10, 10

The median means the exact middle of the data set. In this case, it falls between the 8 and the 9, so the middle would be 8.5, so that's the median of the set. I hope this helps :)

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3 years ago
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Please help Which of the following inequalities is graphed on the coordinate plane?
Gekata [30.6K]

Answer:

The inequality which represents the graph is y ≤ -2x + 1 ⇒ A

Step-by-step explanation:

To solve the question you must know some facts about inequalities

  • If the sign of inequality is ≥ or ≤, then it represents graphically by a solid line
  • If the sign of inequality is > or <, then it represents graphically by a dashed line
  • If the sign of inequality is > or ≥, then the area of the solutions should be over the line
  • If the sign of inequality is < or ≤, then the area of the solutions should be below the line

Let us study the graph and find the correct answer

∵ The line represented the inequality is solid

∴ The sign of inequality is ≥ or ≤

→ That means the answer is A or B

∵ The shaded area is the area of the solutions of the inequality

∵ The shaded area is below the line

∴ The sign of inequality must be ≤

→ That means the correct answer is A

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3 years ago
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alexgriva [62]

Answer:

x = 84

Step-by-step explanation:

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Since there are 4 gumballs, i multiplied the volume by 4.

The total volume of the four gumballs add up to be 1152π .

Lastly, I multiplied 1152 by pi

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See attachment for math work and answer.

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