leonardo0430
  • leonardo0430
someone please help me
Mathematics
jamiebookeater
  • jamiebookeater
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leonardo0430
  • leonardo0430
i was sure it was 12.8
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anonymous
  • anonymous
Why did you think 12.8?
leonardo0430
  • leonardo0430
i followed this formula http://assets.openstudy.com/updates/attachments/5604608ee4b032660b1f9dfa-happy_to_help-1443127627952-distance.gif

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Cresciez
  • Cresciez
I got 10 - I just counted the units diagonally. :P I could definitely be wrong. What kind of class is this? Geometry or Algebra?
leonardo0430
  • leonardo0430
geometry
Cresciez
  • Cresciez
That's a heck of a formula. I'm in geometry and they haven't given me formulas like that quite yet o.o
Lyrae
  • Lyrae
12.8 is the distance between the high school and the library. The question however asks for the distance between Tina's home and the HS. Note that it's given that Tina live exactly between the HS and the library.
Lyrae
  • Lyrae
|dw:1443131099433:dw|
anonymous
  • anonymous
Nice illustration :)
Lyrae
  • Lyrae
The formula is called 'the distance formula' and is basically the Pythagorean theorem. More on that here: https://www.mathsisfun.com/pythagoras.html
Lyrae
  • Lyrae
Thanks :)
leonardo0430
  • leonardo0430
thankyou so much i understand it now :)

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