joe178
joe178 joe178
  • 07-05-2017
  • Mathematics
contestada

can some one help me on this

can some one help me on this class=

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eesha5 eesha5
  • 07-05-2017
it is just -8.819 because when you square and then square root something you get the original number
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TheReaper117
TheReaper117 TheReaper117
  • 07-05-2017
I'll help you before heading off to bed.
This is kind of a trick question.
Basically your answer is 8.819i.

The i is because its an imaginary number.
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