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anonymous

  • 3 years ago

Point A is at -1,321 and point b is located at 517. What is the distance from either endpoint to the midpoint. I have my answer I wanna check if its right

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  1. anonymous
    • 3 years ago
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    @mathstudent55

  2. anonymous
    • 3 years ago
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    @jim_thompson5910

  3. anonymous
    • 3 years ago
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    @timo86m

  4. anonymous
    • 3 years ago
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    @Hero

  5. anonymous
    • 3 years ago
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    @some_someone

  6. jim_thompson5910
    • 3 years ago
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    what are the two points and what is your answer?

  7. anonymous
    • 3 years ago
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    The 2 points are A -1,321 and B 517. My answer is 919

  8. jim_thompson5910
    • 3 years ago
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    how is point B 517?

  9. jim_thompson5910
    • 3 years ago
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    it should be an ordered pair

  10. jim_thompson5910
    • 3 years ago
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    points are of the form (x,y)

  11. anonymous
    • 3 years ago
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    No the question issnt asking for ordered pairs. It's a line with points so it'll be like|dw:1379387454390:dw|

  12. anonymous
    • 3 years ago
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    and then its asking for the distance from either endpoint to the midpoint

  13. jim_thompson5910
    • 3 years ago
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    oh it's on a number line, i see

  14. anonymous
    • 3 years ago
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    yes it is

  15. jim_thompson5910
    • 3 years ago
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    I thought when you wrote out A -1,321 you meant (-1,321) or something

  16. anonymous
    • 3 years ago
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    oh no!

  17. jim_thompson5910
    • 3 years ago
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    the distance from A -1,321 and B 517 on the number line is found by subtracting 517 - ( -1321) 517 + 1321 1838

  18. jim_thompson5910
    • 3 years ago
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    so the distance from A to B is 1838 units

  19. jim_thompson5910
    • 3 years ago
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    cut that distance in half to get your answer

  20. anonymous
    • 3 years ago
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    Correct.Okay, when I divide it by 2 I get 919

  21. jim_thompson5910
    • 3 years ago
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    yep

  22. anonymous
    • 3 years ago
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    What would the midpont be?

  23. anonymous
    • 3 years ago
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    *midpoint

  24. jim_thompson5910
    • 3 years ago
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    add the two values, then divide by 2 to get the midpoint

  25. anonymous
    • 3 years ago
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    oh, so instead of subtracting like we did here, we add!1 ohhhhh

  26. jim_thompson5910
    • 3 years ago
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    yep, that's correct because the formula is M = (x1+x2)/2

  27. anonymous
    • 3 years ago
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    Okay, I have another question if you dont mind

  28. anonymous
    • 3 years ago
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    What would the midpoint of Line AB is at -421 and A is at 32?

  29. anonymous
    • 3 years ago
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    I got 194.5 but im not sure

  30. jim_thompson5910
    • 3 years ago
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    good, but it's negative

  31. jim_thompson5910
    • 3 years ago
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    since -421 is a much bigger number in the negative direction

  32. anonymous
    • 3 years ago
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    but before we were taught that we would always put the absolute value of that number

  33. jim_thompson5910
    • 3 years ago
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    hmm you're probably thinking distance and not midpoint

  34. anonymous
    • 3 years ago
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    yeahhh! oh so when finding the midpoint the number COULD be negative, correct?

  35. jim_thompson5910
    • 3 years ago
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    yes midpoints can easily be negative

  36. anonymous
    • 3 years ago
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    okay, thank you:) i appreciate it

  37. jim_thompson5910
    • 3 years ago
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    you're welcome

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