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slega [8]
3 years ago
15

Plz help me on question 30 plz

Mathematics
2 answers:
omeli [17]3 years ago
3 0

Answer:

5

Step-by-step explanation:

D=\sqrt{(8-4)^2+(1-4)^2}

D=\sqrt{4^2+(-3)^2}

D=\sqrt{16+9}

D=\sqrt{25\\}

D=5

katen-ka-za [31]3 years ago
3 0

Answer: B

<u>Step-by-step explanation:</u>

Use the distance formula: d = \sqrt{(x_2 -x_1)^{2}+(y_2-y_1)^{2}}

d_{PQ} = \sqrt{(8-4)^{2}+(1-4)^{2}}

         = \sqrt{(4)^{2}+(-3)^{2}}

         = \sqrt{16+9}

         = \sqrt{25}

         = 5


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