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konstantin123 [22]
2 years ago
11

Please solve correctly full explanation please will give brainlist

Mathematics
2 answers:
rosijanka [135]2 years ago
7 0

Answer:

They subtracted the values incorrectly

Step-by-step explanation:

The formula for finding the distance between two points is this:
\sqrt{} (x_{2} -x_{1})^{2}   + (y_{2} -y_{1} )^{2}

The person subtracted the variables incorrectly and subtracted x1 from x2 and y1 from y2 instead of the other way around.

To correctly solve it, do this:\sqrt{((-7-(-1))^2+(-6-2)^2} = \sqrt{(-6)^{2} + (-8)^{2}  } = \sqrt{36+64} = \sqrt{100} = 10

Hope this helped!

Musya8 [376]2 years ago
5 0

Answer:

10 units

Distance between two points:

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

                                               where \sf \bold{ (x_1, y_1) , \ (x_2, y_2) }

<h3>Here given:</h3>

coordinates: (-1, 2), (-7, -6)

\sf \cdot x_1 =-1

\sf \cdot y_1=2

\sf \cdot x_2 =-7

\sf \cdot y_2 =-6

<h3>Solve for distance:</h3>

\rightarrow \sf d = \sqrt{(-7 -(-1))^2 + (-6-2)^2}

\rightarrow \sf d = \sqrt{(-6)^2 + (-8)^2}

\rightarrow \sf d = \sqrt{36 + 64}

\rightarrow \sf d = \sqrt{100}

\rightarrow \sf d = 10

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