nooky2050 nooky2050

15-05-2022
Mathematics

contestada

bonjour je n'y arrive pas, quelqu'un pourrait m'aider s'il vous plaît ?

bonjour je ny arrive pas quelquun pourrait maider sil vous plaît class=

Respuesta :

jimthompson5910 jimthompson5910

15-05-2022

Answers:

BD = 6

AC = 7.5

=================================================

Work Shown:

BD/BA = BE/BC

x/9 = 4/6

6x = 9*4

6x = 36

x = 36/6

x = 6

BD = 6

---------

DE/AC = BE/BC

5/y = 4/6

5*6 = y*4

30 = 4y

4y = 30

y = 30/4

y = 7.25

AC = 7.5

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