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OpenStudy (anonymous):
Use the following to determine the distance A (13,7) B (-9,4).
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OpenStudy (angela210793):
\[d=\sqrt{(x2-x1)^2+(y2-y1)^2}\]
OpenStudy (anonymous):
D = sqrt ( ( A's x - B's x)^2 + (A's y - B's y ) ) D = sqrt ( ( 13 - (-9) )^2 + ( 7 - 4 )^2 ) D = sqrt ( ( 22)^2 + 3^2 ) D = sqrt ( ( 484 + 9 ) ) D = sqrt (493) D = 22,20
OpenStudy (angela210793):
All u have to do now is replace 13=x1 -9=x2 7=y1 and 4=y2
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