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  • 15-02-2017
  • Mathematics
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If y = kx, what is the value of k if y = 20 and x = 0.4? A) 5 B) 8 C) 9.6 D) 50

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283829nr 283829nr
  • 15-02-2017
Answer: D, 50
y = kx          y = 20 and x = 0.4

What you will do: You will plug in your y and your x.
Your equation should look like: 20=k(0.4)
Next: What you will do is divide each side of your equal sign by 0.4 so you will get your k alone.
You would get: k=50

HOPE THIS HELPS! ^_^
  
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