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2 years ago

Can someone explain how to get the answer?

Mathematics

2 answers:

Murljashka [212]2 years ago

6 0

A = ((6 + 7 + 6) . 8)/2
A = 19 . 4
A = 76

uranmaximum [27]2 years ago

4 0

Answer:

A = 76

Step-by-step explanation:

Formula of the area of a triangle: $A=\frac{h*b}{2}$

Formula of a rectangle: $A=l*w$

So starting with the triangle...You know that the height of the triangle is 7, and the base of the triangle is 8 because the base of the rectangle is the same as the triangle's base...

Now using the formula of the triangle...

A = $\frac{7*8}{2}$

= 28

Now find the area of the whole retangle...The length of the rectangle is 13 because 7+6=13; the width is 8

Now using the formula of the rectangle...

A = $13*8$

= 108

Now that you have the areas of both the triangle and the retangle...Do subtraction to find the shaded area...

$108 - 28 = 76$

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Answer:

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1 week costs $11.50.

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2 years ago

Five years ago, the population of a city was 49,000. each year the zoning commission permits an increase of 580 in the populatio

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The maximum population be 5 year from now will be 54,800 given that five years ago, the population of a city was 49,000 and each year the zoning commission permits an increase of 580 in the population. This can be obtained using the formula of arithmetic progression.

<h3>What will the maximum population be 5 year from now?</h3>

Formula of arithmetic progression is given by,

⇒ aₙ = a + (n - 1)d

where aₙ = nth term, a = first term, d = common difference

Here in the question it is given that,

Five years ago, the population of a city was 49,000

Each year the zoning commission permits an increase of 580 in the population

We have to find out the maximum population in 5 year from now.

By using the formula of arithmetic progression we get,

aₙ = a + (n - 1)d,

here in the question,

a = 49,000,

n = five years ago + current year + five years from now ⇒ n = 5 + 1 + 5 ⇒ n = 11g

d = 580

Now we get,

⇒ aₙ = a + (n - 1)d

⇒ aₙ = 49000 + (11 - 1)580

⇒ aₙ = 49000 + (10)580

⇒ aₙ = 49000 + 5800

⇒ aₙ = 54,800

Hence the maximum population be 5 year from now will be 54,800 given that five years ago, the population of a city was 49,000 and each year the zoning commission permits an increase of 580 in the population.

Learn more about arithmetic progression here:

brainly.com/question/16954227

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