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kirill [66]
3 years ago
14

There are approximately 40,000 people that live in a city. A sample of 20,000 people from that city are asked and 8,000 live in

an apartment.
How many people from the entire population would you expect to live in an apartment?
Mathematics
1 answer:
Archy [21]3 years ago
8 0

Answer:

16,000 people

Step-by-step explanation:

Let's write a ratio

8,000:20,000

Let's write another ratio

x:40,000

We can write a percent proportion.

\frac{8,000}{20,000} =\frac{x}{40,000}

We can see that the relationship between the denominators is multiplied by 2 so that means the relationship between 8,000 and x is x is 2 times greater than 8,000

Let me know if you have any questions.

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Three consecutive integers sum to 6. What is the least of these integers?
dexar [7]

Answer:

The least of the three integers is 1.

Step-by-step explanation:

Hi there!

Let <em>x</em> be equal to the least of these integers.

Let <em>x</em>+1 and <em>x</em>+2 be the next consecutive integers.

We're given that these integers have a sum os 6.

We can use these to construct an equation:

(x)+(x+1)+(x+2)=6

Combine like terms:

x+x+1+x+2=6\\x+x+x+1+2=6\\3x+3=6\\3x=3\\x=1

Therefore, the least of these integers is 1.

The other two integers would be 2 and 3.

I hope this helps!

3 0
3 years ago
How to solve f/45-2/9=2/9
Serhud [2]
F/45 - 2/9 = 2/9....add 2/9 to both sides
f/45 = 2/9 + 2/9
f/45 = 4/9 ...multiply both sides by 45
f = 4/9 * 45
f = 180/9
f = 20 <===
7 0
3 years ago
Which best describes a triangle with side lengths of 6 inches 8 inches and 9 inches?
Kruka [31]
<span>C).a unique triangle

The other 2 don't make sense. 
</span>Hope this helps.
3 0
3 years ago
Please help right away
avanturin [10]

Answer:

D) 5985

Step-by-step explanation:

Total area: 150×100 = 15000

Area for stars: 6×6 = 36

Total area - area for stars = area for fans

15000-36= 14964

14964ft² for fans, each takes up 2.5 ft²

14964 ÷2.5 = 5985.6 fans

Since we can't have 0.6 of a person, we round down to 5985 fans

5 0
3 years ago
Read 2 more answers
Find the product of (2a+b)^2
AveGali [126]

Answer:

(2a+b)^2

4a^2 + 4ab + b^2

product=4

8 0
3 years ago
Read 2 more answers
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