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KiRa [710]
3 years ago
11

16% of the town's population are above the age of 65. If there are 320 residents are over the age of 65, approximately what is t

he town's total population?
Mathematics
1 answer:
Aleks [24]3 years ago
3 0

Answer:

the total population is 2,000

Step-by-step explanation:

so if we double 16 we get 32% and we have 640 residents then we ad 8% which gets us to an even number of 40% and therefor we add half the 16% to our 640 to get 800 and this is sounding complicated but stick with me. now that we have 40% of the population is 800 people then 80% is 1,600 then we add half or 20% and get 100% is 2,000 people

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Pls send the answer ​
luda_lava [24]

Answer:

a = \dfrac{46}{17}

b = 0

Step-by-step explanation:

\dfrac{2\sqrt{5} + \sqrt{3}}{2\sqrt{5} - \sqrt{3}} + \dfrac{2\sqrt{5} - \sqrt{3}}{2\sqrt{5} + \sqrt{3}} =

= \dfrac{2\sqrt{5} + \sqrt{3}}{2\sqrt{5} - \sqrt{3}} \times \dfrac{2\sqrt{5} + \sqrt{3}}{2\sqrt{5} + \sqrt{3}} + \dfrac{2\sqrt{5} - \sqrt{3}}{2\sqrt{5} + \sqrt{3}} \times \dfrac{2\sqrt{5} - \sqrt{3}}{2\sqrt{5} - \sqrt{3}}

= \dfrac{23 + 4\sqrt{15}}{17} + \dfrac{23 - 4\sqrt{15}}{17}

= \dfrac{46}{17}

a = \dfrac{46}{17}

b = 0

4 0
2 years ago
What is the radius of a circle with an area of 530.9
Igoryamba

Answer:

13

Step-by-step explanation:

diameter = r * 2 = 13  * 2 = 26 (diameter is double radius)

Circle area = π * r^2 = π * 169 ≈ 530.9

3 0
3 years ago
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Please help in simplifying
alukav5142 [94]
The final answer would be:
9x / (x-8)

The exact steps are shown in the attached picture.
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6 0
3 years ago
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emily read 24 fiction books and 2 nonfiction books. what is the reatio of the numberof fiction books she read to the total numbe
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Answer:

the ratio is 12:1

Step-by-step explanation:

2 nonfiction/24 fiction = 12/1

therefore the ratio is 12:1

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4 years ago
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Parentheses
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