stealthfranco stealthfranco
  • 18-09-2019
  • Mathematics
contestada


If DE = 3x, EF = 2x, and DF = 10, what is DE?

Respuesta :

zumar
zumar zumar
  • 20-09-2019

Answer:



Step-by-step explanation:

As we know that

DF=DE+EF

by putting values

10=3x+2x

10=5x

10/5=x

2=x

now as

DE=3x

by substituting value of x

DE=3(2)

DE=6

Answer Link

Otras preguntas

During the 1930's the leaders of Japan, Germany, and Italy made war more likely by A)engaging in submarine warfare. B)refusing to join the League of Nations.
what do animals respond to stimulus?
Should patients have full access to their medical records?
what was the most important victory for william and his men in the battle of hastings?
The person holding the bow and arrow has now let go. The arrow shoots forward toward its target. What type of energy is being described? A.kinetic B.potential C
3X-39°+X+52°25´=180°
Sales tax in the state of Florida is 7%. Bob purchased a coat that was marked $350.00. What is the total bill including tax?
ifballpoint pens are mark 5for95cents how much will adozen cost
where can I get the names of representatives of member countries of UN?
how to reverse the heating effects of electric curent