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Flauer [41]
2 years ago
9

The population of a country has been decreasing for several decades. In​ 1990, the population was about 165 million people. In​

2010, the population was about 158 million people. Determine the percent decrease in the​ country's population during this time period.
Mathematics
1 answer:
Lorico [155]2 years ago
8 0

To find percent decrease and increase you must subtract the original value (old value) with the new value. Then divide the value you get by the original value and multiply by 100:

165-158 = 7

7÷ 165 × 100 = 4.2424....% or 4.2% rounded to 2 significant figures.

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sdas [7]

The graph described is the graph of a quadratic function.

The x-intercept of the function is at; (8, 0).

<h3>What type of function is described by the graph?</h3>

It follows from the description box of the graph that it begins in the third quadrant, and rises through a series of points in the first quadrant before it exits the first quadrant.

Hence, it follows that the graph is a quadratic function and its x-intercept is at point; (8,0).

Read more on intercept;

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3 0
2 years ago
The table shows a gym class's average results for boys and
Rufina [12.5K]

Susan can jump at most 104 in during the long jump

<h3>Inequality</h3>

Inequality is an expression that show the non equal comparison of two or more variables and numbers.

From the table, the average result for females = 8ft 4in  = (8 * 12)in + 4in = 100 in

Since Susan could jump no farther than 4 inches more than the average distance for females, hence:

j ≤ 4 + 100

j ≤ 104 in

Susan can jump at most 104 in during the long jump

Find out more o Inequality at: brainly.com/question/24372553

5 0
2 years ago
Marcus is making homemade barbecue sauce.The recipe caps for 3 cups of ketchup for every 1/2 cup of mustard
SSSSS [86.1K]

Answer:

3 divided  by 1/2

Step-by-step explanation:

turn 3 into 3/1  then flip 1/2 into 2/1 and multiply which is <u><em>6</em></u>

Kcf

Keep

Change

Flip

3 0
3 years ago
Read 2 more answers
I REALLY NEED HELP QUICK PLEASE!!!
stepan [7]
In step 2 the 6(1 * x) is supposed to be 6 * 6x.
8 0
3 years ago
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The number of visitors to an art museum increases each year. The function V(t) = N(1 + r)t represents the number of visitors to
IrinaVladis [17]

Answer:

Option A - The number of visitors is multiplied by (1+r) each year

Step-by-step explanation:

Given : The number of visitors to an art museum increases each year. The function V(t) = N(1 + r)^t represents the number of visitors to the museum at year t, where N is the number of visitors in year 0 and r is the rate of increase.  

To find : Select the correct statement?

Solution :

We have given an exponential function,

The function V(t) = N(1 + r)^t represents the number of visitors to the museum at year t, where N is the number of visitors in year 0 and r is the rate of increase.  

As In year 0,

The initial visitors is V(t) = N(1 + r)^0=N

In year 1,

V(t) = N(1 + r)^1=N(1+r)

In year 2,

V(t) = N(1 + r)^2

So, According to this the number of visors is multiplied by (1+r) each year.

Therefore, Option A is correct.

7 0
3 years ago
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