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Juliette [100K]
2 years ago
10

in 2000 the world's population was 6.08 billion and was increasing at a rate 1.21 each year. use the function to predict the pop

ulation in the year 2020​
Mathematics
1 answer:
Eduardwww [97]2 years ago
5 0

Answer:

the population would be 30.28 billion by 2020

Step-by-step explanation:

y=6.08 + 1.21x

y = 6.08 + 1.21(20)

y = 6.08 + 24.2

y = 30.28

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The best description of the resulting three-dimensional figure when the considered figure is revolved is: A cylinder with height 24 cm.

<h3>What is solid of revolution?</h3>

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Since no image is specified, we will work on the image attached below.

We can visualize and imagine that the horizontal line is still and just rotating on its place. The rectangle will revolve around, and therefore will swap out a cylindrical shape.

Since the length of the rectangle is 24 cm, and it is rotated on its length, so that will serve as height of the formed cylinder.

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Learn more about solid of revolution here:

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8 0
2 years ago
In a triangle, the measure of the first angle is twice the measure of the second angle. The measure of third angle os 88 degrees
Volgvan

Answer:

Answers: 46, 23, and 111

Step-by-step explanation:

To answer, we need to know the angles. Therefore, give each angle a name. Angle 1 will be x, 2 will be y, 3 will be z. So, using this system of equations:

x=2y

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Substituting, z = 1/2(x)+88, now plug z into the third equation:

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subtracting 88 from both sides leaves 2x=92

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plug this into the third one leaves z = 111

Hope this helps!

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3 years ago
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3 years ago
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Answer:

f=3d/k

Step-by-step explanation:

3 0
3 years ago
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