anonymous
  • anonymous
How many solutions exist for the system y = 2x + 5 and y = -0.2x - 4? A. no solution B. one solution C. infinitely many solutions
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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TuringTest
  • TuringTest
\[y=2x+5\]\[y=-0.2x-4\]multiply the second equation by ten\[y=2x+5\]\[y=-2x-40\]add them together and see if you get a statement that is always true, never true, or a single answer. If it is always true, infinite solutions. If it is never true, no solutions. If it yields an answer, that is the 1 solution.
TuringTest
  • TuringTest
\[10y=-2x-40\]supposed to be in las line
anonymous
  • anonymous
If it is always true, infinite solutions. If it is never true, no solutions. If it yields an answer, that is the 1 solution. I don't understand :(

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anonymous
  • anonymous
I think we have B. one solution in here.
anonymous
  • anonymous
Oh got it Turing :)
anonymous
  • anonymous
It was rather an elementary approach :)
TuringTest
  • TuringTest
... you can try to figure it out is always my response. It may be enlightening\[\large y=2x+5\]\[\large 10y=-2x-40\]add 'em up.
anonymous
  • anonymous
You mean if it's an identity then no solutions right?
TuringTest
  • TuringTest
:/ yeah, that makes perfect sense...
anonymous
  • anonymous
lol, why that face? :)
TuringTest
  • TuringTest
Your sarcastic witicisms try to confound me. It almost works at times ;)
anonymous
  • anonymous
thanks for the help :D
anonymous
  • anonymous
Hehe, I can never to do that to you ;)

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