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Posted by **Cheryl** on Tuesday, May 31, 2011 at 9:15am.

a. 11.4

b. 17.9

c. 31.4

d. 23.7

2. Find the distance between the pair of points. Round to the nearest tenth, if necessary. (-8,10) and (-2,10)

a. 13.6

b. 21.2

c. 23.4

d. 6.0

Please just explain how to do this. Thank you!

- Algebra please help -
**Damon**, Tuesday, May 31, 2011 at 9:48am(-10, 4) and (6, 12)

distance is hypotenuse of right triangle

d^2 = (X2-X1)^2 + (Y2-Y1)^2

d^2 = (6-(-10)^2 + (12-4)^2

d^2 = 16^2 + 8^2

d^2 = 256 + 64

d^2 = 320

d = sqrt(320) = 17.89

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