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snow_tiger [21]
3 years ago
12

Its the last one:) please help. giving brainlist

Mathematics
2 answers:
diamong [38]3 years ago
5 0

Answer:

5

Step-by-step explanation:

Segments are named by their endpoints. Therefore, segment PQ will have endpoints P and Q. The length of the segment is equal to the distance between these points.

To find the distance between P and Q given their coordinates, use the distance formula:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Let:

P(-2, 7)\implies (x_1, y_1),\\Q(1, 3)\implies (x_2, y_2)

The distance between these points is equal to:

d=\sqrt{(1-(-2))^2+(3-7)^2},\\d=\sqrt{3^2+(-4)^2},\\d=\sqrt{9+16},\\d=\sqrt{25},\\d=\boxed{5}

Leto [7]3 years ago
5 0

Answer:

5

Step-by-step explanation:

This problem gives one the following points on a line: (P(-2,7)), and (Q(1,3)). The problem asks one to find the distance between the two points. The formula to find the distance between two points on a coordinate point is the following,

D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Substitute the given values in and solve for the distance;

D=\sqrt{(-2)-(1))^2+((7)-(3))^2}

Simplify,

D=\sqrt{(-2)-(1))^2+((7)-(3))^2}\\\\D=\sqrt{(-3)^2+(4)^2}\\\\D=\sqrt{9+16}\\\\D=\sqrt{25}\\\\D = 5

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