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Stolb23 [73]
3 years ago
7

I need help with this question please

Mathematics
1 answer:
MariettaO [177]3 years ago
8 0

Answer:

   AC = 24

Step-by-step explanation:

DE is the midline of the triangle, parallel to AC. It is half the length of AC, so ...

  2·DE = AC

  2(2x -14) = 3x -15

  4x -28 = 3x -15 . . . . . eliminate parentheses

  x = 13 . . . . . . . . . . . . . add 28-3x to both sides

AC = 3x -15 = 3(13) -15

AC = 24

_____

<em>Additional comment</em>

DE = 2(13) -14 = 12, half the length of AC.

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