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

how do you inscribe a square in a circle?
what is the similarties of all three rocks types
what is Andrew Jackson dad name
what is answer to x+10=-13  what does x equal
How is gravity affected by mass and radius?
How to convert fractions into decimals?
Find the second derivative for y=(x+2)/(x-3)
Suppose you have $10,000 to invest. Which of the two rates would yield the larger amount in 4 years. 7% compounded quarterly or 6.94% compounded continuously?
In the US, What is the DMV?
how many different 10 letter words (real or imaginary) can be formed from the following letters?K,Y,T,G,W,C,Y,D,A,A