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irga5000 [103]
3 years ago
9

Please click the photo and there are two questions to solve .Please help me guys

Mathematics
1 answer:
madreJ [45]3 years ago
3 0

Answer:

Step-by-step explanation:

Distance formula:

\sqrt{(X_2-X_1)^2+(Y_2-Y_1)^2}

Distance for AB

\sqrt{(4-2)^2+(1-(-5))^2}=\sqrt{4+36}=\sqrt{40}\\

Distance for AC

\sqrt{(8-2)^2+(-3-(-5))^2}=\sqrt{36+4}=\sqrt{40}

2.

same formula solve when positive

5=\sqrt{(6-3)^2+(y-2)^2}\\25=9+(y-2)^2\\16=(y-2)^2\\4=y-2\\6=y

Now when it's negative

5=\sqrt{(6-3)^2+(y-2)^2}\\25=9+(y-2)^2\\16=(y-2)^2\\-4=y-2\\y=-2

so y can equal 6 or -2

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