The population of Austin, Texas in 1980 was 346,000 people. The population in 1990 was 472,000 people. What is the rate of change of the population with respect to the year for this function?

Answer:

12.6 thousand a year

Step-by-step explanation:

take the 346 add 126 thousand to it equaling a good 472 thousand divide 126 thousand by 10 cause it is a ten year span that equals you get 12.6 thousand.

I need brainliest please

We want to find the rate of change of the population of Austin, Texas in the years between 1980 and 1990.

The answer is: r = 12,600 people/year.

We will assume that this increase in population is modeled with a linear equation, remember that a general linear equation is:

y = a*x + b

Where the rate of change, or slope, is a.

We know that if a line passes through two points (x₁, y₁) and (x₂, y₂) the slope is given by the formula:

[tex]a = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

For this case we have two points, these are:

(1980, 346,000)

(1990, 472,000)

Then the slope or rate of change is just:

[tex]a = \frac{472,000 - 346,000}{1990 - 1980} = 12,600[/tex]

To be complete we need to add the correspondent units, which are people per year.

Then the rate of change is:

r = 12,600 people/year.

If you want to learn more, you can read:

https://brainly.com/question/18904995

Is this right? I’m currently taking an assessment and I need to make sure I am right.

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a/5=30

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Uhhh pls help. I know that A is not it.

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A. Yes; Machine A and Machine B make 77.5 ounces in 10 minutes. 77.5 > 72, so there will be enough popcorn.



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C. No; Machine A and Machine B make 67.5 ounces in 10 minutes. 67.5 < 72, so there will not be enough popcorn.



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please help i don't understand. will mark brainliest. answer the both questions

WORTH 20 POINTS! DUE TODAY! Last one for today: A water pump moves 360 gallons of water in 18 minutes. Draw a graph of the situation. How long would it take to pump 1,080 gallons of​ water? Find the number of gallons pumped each minute. Please and thank you!

I need help please it's a math question

I REALLY REALLY NEED HELP ON THIS!!! IF YOU SHOW YOUR WORK I WILL MARK YOU AS BRAINLIEST!! WORTH 20 POINTS!!! A water pump moves 360 gallons of water in 18 minutes. Draw a graph of the situation. How long would it take to pump 1,080 gallons of​ water? Find the number of gallons pumped each minute.

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may give brainliest only IF your explain how you got your answer. And I will thank you and all that (15 points:))

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