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20 November, 11:39

Solve the equation. If necessary, round your answer to the nearest tenth.

4x2 = 121

A.

2.75, - 2.75

B.

5.5, - 5.5

C.

11, - 11

D.

30.25, - 30.25

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Answers (1)
  1. 20 November, 12:54
    0
    B: x = 5.5 or - 5.5 (square root) - > 2x = 11 (divide by 2) - > x = 5.5 or - 5.5
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