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UkoKoshka [18]
3 years ago
12

The populations and land areas of four cities in Texas are shown.

Mathematics
2 answers:
Ksju [112]3 years ago
8 0
The ratio for population density is population:area

Using this, we find that choices 1, 4, and 5 are true,

:)
Solnce55 [7]3 years ago
8 0

we know that

The population density is the number of people living in each unit of area. Is equal to the population divided by the total area.

so

Let

x------> population (number of people)

y------>the area in Km^{2}

z-----> the population density

z=\frac{x}{y}

Find the population density of the cities

City A

z=\frac{2,195,914}{1,553}=1,413.98\frac{people}{Km^{2}}

City B

z=\frac{48,592}{26}=1,868.92\frac{people}{Km^{2}}

City C

z=\frac{1,257,676}{999}=1,258.93\frac{people}{Km^{2}}

City D

z=\frac{196,429}{258}=761.35\frac{people}{Km^{2}}

<u>Statements</u>

<u>case A)</u> The population density for City B can be found using the ratio 48,592 : 26

The statement is true -------> see the procedure

<u>case B)</u> The population density for City D can be found using the ratio 258 : 196,429

The statement is False

Because, the population density for City D can be found using the ratio 196,429 : 258 ----> see the procedure

<u>case C)</u> City A has the greatest population density of the four cities

The statement is False

Because, the greatest population density of the four cities is the city B (see the procedure)

<u>case D)</u> The population density of City B is greater than that of City C

The statement is True -----> see the procedure

the greatest population density of the four cities is the city B

<u>case E)</u> City D has the lowest population density of the four cities

The statement Is True -------> see the procedure




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