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zysi [14]
3 years ago
12

If line n bisects segment CE, find the positive value of x. A.6 B.10 C.15 D.9

Mathematics
2 answers:
givi [52]3 years ago
8 0

9514 1404 393

Answer:

  D.  9

Step-by-step explanation:

The segment lengths are equal, so ...

  x^2 = 90-x

  x^2 +x -90 = 0 . . . . . . add x-90 to put in standard form

  (x +10)(x -9) = 0 . . . . . factor

The solutions are the values of x that make the factors zero: -10, 9.

The positive value of x is 9.

alexandr402 [8]3 years ago
8 0
The answer has to be D 9
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