anonymous
  • anonymous
An archeologist discovered two artifacts buried beneath the ground. She found the first artifact at an elevation of -8 2/7 meters and the second at an elevation of -35 4/7 meters. What is the distance between these two elevations? -43 6/7 meters -27 2/7 meters 27 2/7 meters 43 6/7 meters
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@kaylie.sullivan can you help me with this problem please
DanJS
  • DanJS
They want the difference (subtraction) between those two mixed numbers
anonymous
  • anonymous
how?? -8 2/7 - (-35 4/7)= ???

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More answers

TinyLittleHelper
  • TinyLittleHelper
Hint: Distance is also called absolute value. And yes, that is correct.
DanJS
  • DanJS
mixed numbers are strange to work with i think, they are 2 numbers added together, maybe put them into improper fractions first, they are both already over the same denominator
TinyLittleHelper
  • TinyLittleHelper
But: -a - (-b) = -a + b
anonymous
  • anonymous
now I understand!!! so the answer is 27 2/7???
DanJS
  • DanJS
|dw:1447200594235:dw|
tapha
  • tapha
c man..
DanJS
  • DanJS
the distance is a positive measurement
anonymous
  • anonymous
Thanks!!!!!
DanJS
  • DanJS
\[\sqrt{(a-b)^2}\] a-b is a squared quantity, always positive
DanJS
  • DanJS
welcome
TinyLittleHelper
  • TinyLittleHelper
\[\sqrt{(a-b) ^{2}} = |a-b|\]
DanJS
  • DanJS
yes

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