johnmanzo2004 johnmanzo2004
  • 21-03-2017
  • Mathematics
contestada

​3 ​/​10 ​​ = ​9 /​k ​​ what is k

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sdmatera
sdmatera sdmatera
  • 21-03-2017
In order to isolate k, we would first cross multiply
3*k=9*10
3k=90

Then to isolate k, we would divide both sides by 3 to get:
K=30

Hope this helps
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Аноним Аноним
  • 21-03-2017
The answer is that K= 30.
Answer Link

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