anonymous
  • anonymous
Find the length of a line segment with endpoints of 19 and -39. please help!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Vocaloid
  • Vocaloid
just subtract the two numbers 19-(-39) = ?
anonymous
  • anonymous
Oh no, I meant 19-(-39) = ? Thank you!
mathstudent55
  • mathstudent55
Here is your line segment. |dw:1437273269810:dw|

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mathstudent55
  • mathstudent55
|dw:1437273365894:dw|
anonymous
  • anonymous
I just add 39 and 19?
mathstudent55
  • mathstudent55
The distance between any two points on a number line is the absolute value of the difference of their coordinates. For points with coordinates a and b, the distance between them is \(|a - b| \).
mathstudent55
  • mathstudent55
Correct. Just add. Also it makes no difference which point you use first and which you use second. The absolute value makes sure the answer is always positive, which any distance is. |19 - (-39)| = |19 + 39| = |58| = 58 |-39 - 19| = |-58| = 58
anonymous
  • anonymous
Thank you, I appreciate everyones help! It all makes sense now
mathstudent55
  • mathstudent55
You're welcome.

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