livv84
livv84 livv84
  • 25-02-2021
  • Mathematics
contestada

What is the value of x?

What is the value of x class=

Respuesta :

altavistard
altavistard altavistard
  • 25-02-2021

Answer:

x = +5

Step-by-step explanation:

The triangles ADB and BDC are similar.  Thus it is possible to write an equation of ratios and solve it for x:

 x       10

----- = -------

10       4x

Cross-multipying, we get:

4x^2 = 100, which yields x = +5

Answer Link

Otras preguntas

17. The Niagara Movement, headed by _______, sought equal rights for blacks.
which element has six protons in its nucleus?
There are 18 bikes in a bike rack. There are 4 more blue bikes then yellow bikes , and 2 less yellow bikes than green bikes. How many bikes of each color are in
the word down used as an adverb A. Just as she was standing to give her presentation, Ashlee fell downB. The ball moved down the street towards the intersection
In the South American Andes, the altiplano between the Cordillera Oriental and the western Cordillera Occidental is widest in A. Bolivia. B. Ecuador. C. Peru
Which cell contains mitochondria?
what is the prefix, suffix, and root word for control?
what two numbers add to 2 and multiply to -80
What does it mean "a problem to be overcome"?
The quotient of n and 8