Mathematics: Its the last one:) please help. giving brainlist

Its the last one:) please help. giving brainlist

Ответ:

elias1019

26.06.2021

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:

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

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Its the last one:) please help. giving brainlist

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