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Sagot :
The distance between two points is given by:
[tex]d(A,B)=\sqrt[]{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]From the plane we notice that Adam's house is located in the point (-4,2) and the hospital in the point (5,7).
Plugging this values in the formula we get:
[tex]\begin{gathered} d(A,H)=\sqrt[]{(7-2)^2+(5-(-4))^2} \\ =\sqrt[]{(5)^2+(9)^2} \\ =\sqrt[]{25+81} \\ =\sqrt[]{106} \end{gathered}[/tex]Therefore the distance between Adam's house and the hospital is the square root of 106 and the answer is D.
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