randiantonio98 randiantonio98
  • 01-10-2019
  • Mathematics
contestada

Can someone teach me step by step

Can someone teach me step by step class=

Respuesta :

jimrgrant1 jimrgrant1
  • 01-10-2019

Answer:

x = 25

Step-by-step explanation:

Since CQ is parallel to BR and intersects the other 2 sides then it divides those 2 sides proportionally, that is

[tex]\frac{BQ}{QD}[/tex] = [tex]\frac{RC}{CD}[/tex] , substitute values

[tex]\frac{24}{40}[/tex] = [tex]\frac{15}{x}[/tex] ( cross- multiply )

24x = 600 ( divide both sides by 24 )

x = 25

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