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sarakeranen

  • 3 years ago

I am unable to solve the two simultaneous equations: 0.991=0.0266x+0.0835y, 0.325=0.0499x+0.0077y. Could you help?

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  1. 0779olive
    • 3 years ago
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    Use the fisrt equation to find y=f(x) on replace the y's expression found in the second equation to compute x and you'll find y (I have x=0.523...)

  2. satellite73
    • 3 years ago
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    if i were doing it i would clear the decimals and write \[266x+835y=9110\] \[499x+77y=3250\]

  3. satellite73
    • 3 years ago
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    then i would go slap the math teacher for giving me such annoying numbers to work with. then i would use some computer algebra system to solve

  4. estudier
    • 3 years ago
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    Ha ha...:-)

  5. satellite73
    • 3 years ago
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    well not that hard when you ask the machine. i got \[x=\frac{ 1950680}{396183} \]

  6. satellite73
    • 3 years ago
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    how much arithmetic do you wan to do for a problem like this?

  7. estudier
    • 3 years ago
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    The thought police will be after u for suggesting an assault on apoor math teacher...

  8. satellite73
    • 3 years ago
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    ok a mild slap with a kleenex. but really, who would even want to know such a thing. if this problem arose naturally from some actual data, then fine. get out the software and find your answer.

  9. estudier
    • 3 years ago
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    Either u or olive is a bit out...

  10. satellite73
    • 3 years ago
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    i used a machine. i have no stake in this game

  11. estudier
    • 3 years ago
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    I guess olive used her machine wrong, I'm not going to check it though.

  12. estudier
    • 3 years ago
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    She got the principle right, that's the main thing...

  13. sarakeranen
    • 3 years ago
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    Thanks for your help. By the way, this is chemistry...determining unknown concentrations.

  14. estudier
    • 3 years ago
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    That's a reasonable excuse, no need to slap the chem teacher, then:-)

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