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Amanda [17]
3 years ago
5

I really need help please.

Mathematics
1 answer:
Vanyuwa [196]3 years ago
7 0

Answer:

 = 3sqrt(10)

Step-by-step explanation:

The distance between two points is found by

d =sqrt( x2-x1)^2 + (y2-y1)^2)

 = sqrt( 0--9)^2 +(-7--4)^2)

 = sqrt( (9)^2 + (-7+4)^2)

 = sqrt(9^2 + (-3)^2)

  = sqrt(81+9)

  = sqrt(90)

We know that sqrt(ab) = sqrt(a) sqrt(b)

  = sqrt(9) sqrt(10)

 = 3sqrt(10)

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