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Rus_ich [418]
3 years ago
14

The population of a city is 250,000 and the annual growth rate is 2.2% Write an equation to model the population y after x years

.
Mathematics
1 answer:
qaws [65]3 years ago
7 0

Answer:

bueno, es 3.70 así que espero que ayude um buena suerte ~ nena ~

Step-by-step explanation:

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What equation represents the graphed function
Marina86 [1]

Answer: y=\dfrac{-1}{3}x+3

Step-by-step explanation:

The equation of ab line that passes through two points (a,b) and (c,d) is given by :-

(y-b)=\dfrac{d-c}{b-a}(x-a)

From the given picture , the line is passing through points (0,3) and (3,2).

Then, the equation of the line will be :-

(y-3)=\dfrac{2-3}{3-0}(x-0)

\Rightarrow y-3=\dfrac{-1}{3}x

\Rightarrow y=\dfrac{-1}{3}x+3

Hence, the required equation of the line that represents the graphed function : y=\dfrac{-1}{3}x+3

7 0
3 years ago
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Which sample is representative of the population being studied?
Lesechka [4]
First, let's break down what the difference between a sample and population is. A sample is a small part or quantity intended to show what the whole is like. A population is all inhabitants of a town, country, or the world. Samples are only representative of the population if the data collected is being collected in a fair manner. In answer choices A - C, the researcher is collecting data in locations specific to what is being studied. The outcome is likely to be bias because of the method in which the data is being collected. It is for that reason that the correct answer is D. To learn how many students at her school spend more than $10 on books in a month, Mia speaks to every sixth student she meets in the school hallway. 
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3 years ago
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Last year, the average American used 167 disposable water bottles (16.9 oz or 0.132 gallons). If the cost of 1 gallon of tap wat
Mrrafil [7]

Answer:

The money that could be saved by drinking tap water is $165.46.

Step-by-step explanation:

Given:

Cost of 1 bottle of water = $1.00

Number of bottles consumed = 167

Volume of water used in 1 bottle = 0.132 gallons

So, volume of water used in 167 bottles = 167 × 0.132 = 22.04 gallons

Cost of 1 gallon of tap water = 7 cents = $0.07

In order to determine the money saved using tap water, we first find the cost of 167 bottles.

Using unitary method,

1 bottle cost = $1.00

167 bottles cost = Number of bottles × Cost of 1 bottle

                          = 167 × $1.00 = $167.00

Now, 167 dollars is spent for consuming 22.04 gallons of water.

Now, cost of 1 gallon of tap water = $0.07

So, cost of 22.04 gallons of tap water = 22.04 × 0.07 = $1.54

Therefore, the money saved by drinking tap water is given as:

Money saved = Money spent in bottles for 22.04 gallons - Money spent in tap water for the same volume

Money saved = $167.00 - $1.54 = $165.46

Hence, the money that could be saved by drinking tap water is $165.46.

8 0
3 years ago
The average student loan debt for college graduates is $25,800. Suppose that that distribution is normal and that the standard d
qaws [65]
The answer would have to be 10
3 0
3 years ago
4. Six numbers are shown.
Reptile [31]

Step-by-step explanation:

sorry i couldn't solve the last and the last second one

Was it helpful?

comment down

If there is any kind of suspicious mistake

then sorry

7 0
3 years ago
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