giannapresto
giannapresto giannapresto
  • 23-09-2019
  • Mathematics
contestada

If DE = 5x EF = 3x and DF = 32 what is the length of DE?

If DE 5x EF 3x and DF 32 what is the length of DE class=

Respuesta :

thardy69634
thardy69634 thardy69634
  • 23-09-2019

Answer:

15

Step-by-step explanation:

Answer Link
TKteen
TKteen TKteen
  • 23-09-2019

Answer:

20

Step-by-step explanation:

Combine like terms: 5x + 3x = 8x

Divide both sides by 8: 8x/4; 32/8

Solve for x: x = 4

Plug it in: DE = 5(4) = 20

Check: 5(4) + 3(4) = 32; 20 + 12 = 32

Answer Link

Otras preguntas

A minute hand of a large clock is 6 ft long. How far does the point move in an hour?
How do I solve 4x + 3y=0 & 2x + y = -2 using substitution
What were some responsibilities of Hades?
sale price $25 original price $40 what percent.represents the discount that received when buying the sweater
2r-4/r-2 please help
Is the group of words a simple sentence, a compound sentence, or a run-on sentence? The bustle of the airport, the sight of the airplanes, and the sound of the
What word doesn't belong in this group? That, hat, what, mat, cat, sat, pat, or chat?
How do I solve 4x + 3y=0 & 2x + y = -2 using substitution
How can you do this question about standard form?
what is the square root of 235