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LUCKY_DIMON [66]
3 years ago
12

The population of a country was 5.1 million people in 2000. Three years later, the population of the same nation was 8.2 million

people. Assuming that population is growing exponentially, what is the projected population (rounded to one-tenth of a million) of the country in 2008?
Mathematics
1 answer:
maria [59]3 years ago
3 0

Answer: hi I'm not very sure about his awmser but I think that you need to subtract 8 point 2 minus 2008 and you might get the awmser

Step-by-step explanation:

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Please help me with this question​
Trava [24]

Applying the formula for the area of a sector and length of an arc, the value of k is calculated as: 27.

<h3>What is the Area of a Sector?</h3>

Area of a sector of a circle = ∅/360 × πr²

<h3>What is the Length of an Arc?</h3>

Length of arc = ∅/360 × 2πr

Given the following:

  • Radius (r) = 9 cm
  • Length of arc = 6π cm
  • Area of sector = kπ cm²

Find ∅ of the sector using the formula for length of acr:

∅/360 × 2πr = 6π

Plug in the value of r

∅/360 × 2π(9) = 6π

∅/360 × 18π = 6π

Divide both sides by 18π

∅/360 = 6π/18π

∅/360 = 1/3

Multiply both sides by 360

∅ = 1/3 × 360

∅ = 120°

Find the area of the sector:

Area = ∅/360 × πr² = 120/360 × π(9²)

Area = 1/3 × π81

Area = 27π

Therefore, the value of k is 27.

Learn more about area of sector on:

brainly.com/question/22972014

4 0
2 years ago
For the equation -2(x+1) = 8, Caitlin distributes the 2 to get, -2x +2 = 8. Then she subtracts the 2 from both sides to get -2x
mamaluj [8]

Answer:

No.

Step-by-step explanation:

She wronged in Step 2, -2x + 2 = 8 .

The correct way is :

-2(x+1) = 8

-2x <u>–</u> 2 = 8

5 0
3 years ago
32 3/4−12 1/2=
makkiz [27]

Ans: 20.25

can convert the mixed numbers fractions to improper fractions before making the denominators the same and coming up with the answer in decimals

hope this helps:))

7 0
2 years ago
The red and the blue triangles drawn on the line are similar.
zavuch27 [327]
Uh oh, this is a problem right ok whta is thus
4 0
3 years ago
Determine a polynomial that represents the area of the parallelogram.<br> A=
sp2606 [1]

Answer:

4b² - 16

Step-by-step explanation:

The formula to find the area of a parallelogram equals bh, where b = base and h - height. We're given the base as 2b + 4 and the height as 2b - 4.

  • (2b+4)*(2b-4)=(2b+4)(2b-4)
  • (2b+4)(2b-4)=(2b)(2b)+(2b)(-4)+(4)(2b)+(4)(-4)
  • 4b^2-8b+8b-16
  • 4b^2-16

Therefore, the answer is 4b² - 16.

6 0
1 year ago
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