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Oxana [17]
3 years ago
15

If someone could help me with this, that would be great.

Mathematics
1 answer:
ruslelena [56]3 years ago
8 0

Answer:

B. The rate of change of item II is greater than the rate of change of them I

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In 2010, the population of Kingsford was 8000. By 2014 the population had increased by 15% and 2/5 of the population was age 12
Anastasy [175]
<h2>Hello!</h2>

The answer is: The population age 12 or under was 3680.

<h2>Why?</h2>

If in 2010 the population of Kignsford was 8000, and by 2014 the population had increased by 15% we need to calculate the total population and then, calculate how many people was age 12 or under.

We must remember that we cannot work with percentage values, so, to make 15% a real number, we need to divide it by 100:

15(Percentage)=\frac{15}{100}=0.15

So,

Calculating the population by 2014, we have:

Population_{2014}=Population_{2010}+ Population_{2010}*0.15

Then, substituting we have:

Population_{2014}=8000+ 8000*0.15=9200

Now, calculating the population that was age 12 or under, knowing that it was 2/5 of the total population, we have:

Population=TotalPopulation*\frac{2}{5}\\\\Population=9200*\frac{2}{5}=3680

So, the population age 12 or under was 3680.

Have a nice day!

6 0
3 years ago
What is the relationship among proportional relationships, lines, rates of change, and slope?
Genrish500 [490]
For each of the following relationships, graph the proportional relationship between the two quantities, write the equation representing the relationship, and describe how the unit rate, or slope is represented on the graph.
8 0
3 years ago
Write a numerical expression for the calculation.
Naddik [55]

Answer:

(64-23)8.3

Step-by-step explanation:

Solve the parenthesis first, then multiply

hope this helps! :)

3 0
3 years ago
What is 75% of 200? A) 2.6 B) 125 C) 150 D) 175
RSB [31]
75% of something is 3/4 as 75/100 is simplified to 3/4. So 3/4 of 200 is 200÷4=50×3= C) 150
7 0
3 years ago
Read 2 more answers
Which number line represents the solution to the inequality x - 3 &gt; 2
Ivahew [28]

Answer: x > 5

Step-by-step explanation: To solve for <em>x</em> in this inequality, our goal is the same as it would be if this were an equation, to get x by itself on one side.

Since 3 is being subtracted from x, we add 3 to

both sides of the inequality to get x > 5.

When graphing x > 5, we have an open circle on 5 and the

open circle tells us that 5 is not part of our answer.

Then we draw an arrow going to the right to represent

all possible solutions to this inequality, any number greater than 5.

6 0
3 years ago
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