Pls help i will make u brainliest

[tex]Pls help i will make u brainliest[/tex]

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Mathematics ##
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Pls help i will make u brainliest

[tex]Pls help i will make u brainliest[/tex]

sorry it was hard but i will try

Step-by-step explanation:

The constant of proportionality is [tex]\frac{9}{2}[/tex]

Step-by-step explanation:

The constant of proportionality is the ratio between two directly proportional quantities

If x and y are in directly proportion, then [tex]\frac{y}{x}=k[/tex] , where k is the constant of proportionality.The direct proportion can be represented by a line whose equation is y = kx, where k is the slope of the line.

To find the constant of proportionality from the given graph choose a point on the line and substitute x and y in the equation of the proportionality by the coordinates of the point.

∵ Point (4, 18) lies on the line

∴ x = 4, y = 18

∵ The equation is y = kx

→ Substitute x by 4 and y by 18

∴ 18 = k(4)

∴ 18 = 4k

→ Divide both sides by 4 to find k

∴ [tex]\frac{18}{4}=\frac{4k}{4}[/tex]

∴ [tex]\frac{18}{4}=k[/tex]

→ Simplify the fraction by dividing up and down by 2

∴ [tex]\frac{9}{2}=k[/tex]

∴ The constant of proportionality is [tex]\frac{9}{2}[/tex]

Probably the sentence “They needed ways to move around in the city.

Explanation: The paragraph would be fine without the sentence.

The trend quickened after 1860 and continued throughout the 21st century as well.

Explanation:

this one because you are telling the same thing basically with the whole article and the last sentence.