haleigh67 haleigh67
  • 12-02-2021
  • Mathematics
contestada


Find the value of x.

Find the value of x class=

Respuesta :

clarch19
clarch19 clarch19
  • 14-02-2021

Answer:

x = 4

Step-by-step explanation:

ΔABC ≈ ΔDBE

set up a proportion of corresponding sides:

BD / BE = BA / BC

BA = 10 - x + x = 10

10-x / 3 = 10 / 5

cross-multiply:

5(10 - x) = 3(10)

50 - 5x = 30

-5x = -20

x = 4

 

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