amiatyshay amiatyshay
  • 13-02-2021
  • Mathematics
contestada

Calculate the distance between the points k=(-1,-1) and H=(3,-9)

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mberisso
mberisso mberisso
  • 13-02-2021

Answer:

the distance is: [tex]\sqrt{80}[/tex]

Step-by-step explanation:

We use he distance formula:

distance = [tex]\sqrt{(-9 + 1)^2+(3+1)^2}=\sqrt{64+16} =\sqrt{80}[/tex]

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irspow
irspow irspow
  • 13-02-2021

Answer:

Step-by-step explanation:

[tex]d^2=(x_2-x_1)^2+(y_2-y_1)^2\\ \\ d^2=(3- -1)^2+(-9- -1)^2\\ \\ d^2=4^2+(-8)^2\\ \\ d^2=16+64\\ \\ d^2=80\\ d=\sqrt{80}\\ \\ d=4\sqrt{5}\\ \\ d\approx 8.9[/tex]

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