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2 years ago

The population of a city grew from 23,000 in 2010 to 25,000 in 2015.

Mathematics

1 answer:

scZoUnD [109]2 years ago

3 0

The average rate of change during this time interval is 400 population per year

The average rate of change during this time interval is expressed as:

Rate of change = change in population/change in time

Change in population = 25000 - 23000

Change in population = 2000

Change in time = 2015 - 2010

Change in time = 5 years

Substitute into the formula;

Rate of change = 2000/5

Rate of change = 400

Hence the average rate of change during this time interval is 400 population per year

Learn more on Rate of change here: brainly.com/question/8728504

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Find the length of STV in the figure.

o-na [289]

Answer: The length of STV is about 76.83 in.

Step-by-step explanation:

The length of an arc is given by :-

$l=\frac{\theta}{360^{\circ}}\times2\pi r$ , where r= radius of the cirle, $\theta$ is the central angke made by arc.

As per given , Radius of the circle : r= 20 in

Central angle of arc SCV = $140^{\circ}$

Then, Central angle of arc SCV = $360^{\circ}-140^{\circ}=220^{\circ}$

Then, the length of the arc STV =

$l=\frac{220^{\circ}}{360^{\circ}}\times2(\frac{22}{7}) (20)\\\\=\frac{11}{18}\times\frac{880}{7}\\\\=76.8253968254\approx76.83\text{ in.}$

Hence, the length of STV is about 76.83 in.

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3 years ago

According to his running log, Reid averaged 4 miles per week and 6 miles per week this month. By what percent has his average in

Bas_tet [7]

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3 years ago

Find the measure of missing angle

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58 degrees

Step-by-step explanation:

90 - 32 = 58

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3 years ago

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2 years ago

What is 5/7*w=40 1/2

sukhopar [10]

Answer:

56 7/10

Step-by-step explanation:

convert 40 1/2 to a fraction 40 1/2 = 81/2

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