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Maddiie

  • 5 years ago

Find the soultion to each system by the addition(elimination) method. 4s-5t=18 6s + 10t=-8

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  1. anonymous
    • 5 years ago
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    multiply first equation by 2\[8s-10t=36\] \[6s+10t=-8\]

  2. anonymous
    • 5 years ago
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    add to get \[14s=28\] \[s=2\]

  3. maddiie
    • 5 years ago
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    5(6s)+5(10t)=5(-8) 30s+50t=-40

  4. anonymous
    • 5 years ago
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    (4s-5t=18 )*2 ---->8s-10t=36 6s + 10t=-8, then add 14s=28 s=2 4(2)-5t=18 8-5t=18 -5t=18-8 -5t=10 t=-2

  5. anonymous
    • 5 years ago
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    now substitute back to find t

  6. anonymous
    • 5 years ago
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    (4s-5t=18)2 6s+10t=-8 ____________ 8s-10t=36 6s+10t=-8 ____________ 14s = 28 s= 2 4(2)-5t=18 8-18=5t -10=5t t= -2

  7. anonymous
    • 5 years ago
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    $$ \int \sum \text{x} \partial{} $$

  8. anonymous
    • 5 years ago
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    i'mjk

  9. anonymous
    • 5 years ago
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    you ecin. hmm you love calculus?

  10. anonymous
    • 5 years ago
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    ok what does this mean The ratio of the radii of two circles at the centers of which two arcs of the same length subtended a angles of 60 degree and 70 degree is

  11. anonymous
    • 5 years ago
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    i wrote sex ...

  12. amistre64
    • 5 years ago
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    blasphemy! ..... maybe lol

  13. anonymous
    • 5 years ago
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    sex? that is bad

  14. anonymous
    • 5 years ago
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    we can use a formula there satellite

  15. maddiie
    • 5 years ago
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    Guys go chat on the group chat i'm trying to get help.

  16. anonymous
    • 5 years ago
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    (4s-5t=18 )*2 ---->8s-10t=36 6s + 10t=-8, then add 14s=28 s=2 4(2)-5t=18 8-5t=18 -5t=18-8 -5t=10 t=-2 posted by pat18

  17. anonymous
    • 5 years ago
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    ecin?

  18. maddiie
    • 5 years ago
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    Ok i understood. I hate math

  19. anonymous
    • 5 years ago
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    hello

  20. anonymous
    • 5 years ago
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    i love math

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