so1963
so1963 so1963
  • 17-09-2019
  • Mathematics
contestada

D is the midpoint of CE . If CD = 5x and CE = 9x + 8, what is CD?

D is the midpoint of CE If CD 5x and CE 9x 8 what is CD class=

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sqdancefan
sqdancefan sqdancefan
  • 17-09-2019

Answer:

  CD = 40

Step-by-step explanation:

Since D is the midpoint, the entire length CE is twice the length of CD, so we have ...

  2×CD = CE

  2×(5x) = 9x +8

  x = 8 . . . . . . . . subtract 9x and simplify

Then the length of CD is ...

  CD = 5x = 5·8 = 40

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