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fait5ieshaueval fait5ieshaueval
  • 23-02-2017
  • Mathematics
Answered

What are the solutions to the equation 9x^2=49?

Round to the nearest tenth.

A2.3, -2.3
B5.4, -5.4
C7, -7
D21, -21

Verified Answer :

wolf1728
wolf1728 wolf1728
  • 23-02-2017

9x^2 = 49
x^2 = 49/9
x^2 = 5.4444444
x1 =



2.3333333333




x2 =


-
2.3333333333

Answer is A


Answer Link

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