allprowife allprowife
  • 19-07-2021
  • Mathematics
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I really Need help solving this problem!

I really Need help solving this problem class=

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caylus
caylus caylus
  • 19-07-2021

Answer:

Hello,

Answer A : 11.2 ≤ X ≤ 29.2

Step-by-step explanation:

[tex]Z=\dfrac{X-20.2}{4.5} \\\\X=4.5*Z+20.2\\\\For\ Z=-2, \ X=4.5*(-2)+20.2=11.2\\For\ Z=2, \ X=4.5*2+20.2=29.2\\[/tex]

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