Maddiie
  • Maddiie
Find the soultion to each system by the addition(elimination) method. 4s-5t=18 6s + 10t=-8
Mathematics
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
multiply first equation by 2\[8s-10t=36\] \[6s+10t=-8\]
anonymous
  • anonymous
add to get \[14s=28\] \[s=2\]
Maddiie
  • Maddiie
5(6s)+5(10t)=5(-8) 30s+50t=-40

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anonymous
  • anonymous
(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
anonymous
  • anonymous
now substitute back to find t
anonymous
  • anonymous
(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
anonymous
  • anonymous
$$ \int \sum \text{x} \partial{} $$
anonymous
  • anonymous
i'mjk
anonymous
  • anonymous
you ecin. hmm you love calculus?
anonymous
  • anonymous
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
anonymous
  • anonymous
i wrote sex ...
amistre64
  • amistre64
blasphemy! ..... maybe lol
anonymous
  • anonymous
sex? that is bad
anonymous
  • anonymous
we can use a formula there satellite
Maddiie
  • Maddiie
Guys go chat on the group chat i'm trying to get help.
anonymous
  • anonymous
(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
anonymous
  • anonymous
ecin?
Maddiie
  • Maddiie
Ok i understood. I hate math
anonymous
  • anonymous
hello
anonymous
  • anonymous
i love math

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