Kyshee1 Kyshee1
  • 11-03-2018
  • Mathematics
contestada


If x2 - 4 = 45, then x could be equal to

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Brainliac
Brainliac Brainliac
  • 11-03-2018
x could be equal to 24.5
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nilbert
nilbert nilbert
  • 11-03-2018
Hi there!

To find x, we need to simplify. 

x^2 -4 = 45
x^2 = 49
sqrt(49) = 7

So, x = 7. 

Hope this helps!
Answer Link

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