anonymous
  • anonymous
√(t-5) = 2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
I'm confused about how to solve this?
myininaya
  • myininaya
Square both sides to undo that radical. :) You are trying to get to the t so undo the things around it.
ajprincess
  • ajprincess
In order to solve for t u have to isolate t. 1.Square both sides 2.Add 5 to both sides.

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More answers

anonymous
  • anonymous
okay
anonymous
  • anonymous
Then t = 9
TheViper
  • TheViper
\[\sqrt{t-5} = 2\] \[t-5 = 4\] \[t = ?\]
ajprincess
  • ajprincess
yup perfect:)
TheViper
  • TheViper
right :)
anonymous
  • anonymous
Now what about one like x = √(56-x)
ajprincess
  • ajprincess
whenever u have square roots on one side try to remove them by squaring both sides. Can u plz tell me vat u get when u square both sides?
anonymous
  • anonymous
x^2= 56 - x
anonymous
  • anonymous
then would i use quadratic formula
ajprincess
  • ajprincess
yup right:) good work.:) Nw bring all the terms to one side. Then use quadratic formula to find x. Quadratic formula is \[x=\frac{ -b\pm\sqrt{b^2-4ac} }{ 2a }\]
anonymous
  • anonymous
-8 and 7
anonymous
  • anonymous
x = -8 and 7
ajprincess
  • ajprincess
yup perfect:) great work:)
anonymous
  • anonymous
Thanks!
ajprincess
  • ajprincess
welcome:)

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