vampdays
vampdays vampdays
  • 15-03-2022
  • Mathematics
contestada

what is the value of x in units

what is the value of x in units class=

Respuesta :

zsm2800 zsm2800
  • 17-03-2022

Answer:

x = 25

Step-by-step explanation:

ΔBDR ~ ΔQDC

so

(24 + 40)/(15 + x) = 40/x

or

(24 + 40)/40 = (15 + x)/x

24/40 + 40/40 = 15/x + x/x

3/5 + 1 = 15/x + 1

3/5 = 15/x

Cross multiply,

3x = 15*5 = 75

x = 75/3 = 25

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