pointegirl pointegirl

14-09-2016
Mathematics

contestada

X+y=78 when x is twice as much as y- show work please

Respuesta :

WorldlyGlass49 WorldlyGlass49

15-09-2016

x + y = 78
x = 2y
2y + y = 78
3y = 78
y = 78/3
y = 26
x + 26 = 78
x = 78 - 26
x = 52
52 = 2 x 26

X = 52 and Y = 26

Answer Link

Otras preguntas

In what two ways does setting contribute to the plot of a novel? Sorry, this is actually English, accidentally pressed History!

Where is the Shinto religion most prominent?

Which number is equivalent to 43/12?

Which of the binomials below is a factor of this trinomial? x2 - 6x - 16 A.x + 2 B.x - 2 C.x - 4 D.x + 4

What is one limitation of using letters home from a general as a source about World War ll? A. His observations are recorded too close to the events occurred B.

Microchips have between 50 and 100 transistors on them True False

the closer an object is to the center of earth the ------------------ the gravitational force on that object A greater B less these science

what is -10-6=?. Please I need an answer and it's my grade

Sarah was torn. Should she stop being friends with Connie just because of a rumor? Sarah heard the rumor from another good friend, a person who was usually very

The trp operon in E.coli regulates genes that code for enzymes required for synthesis of the amino acid tryptophan. The trp operon is a repressible operon. When