zlah
zlah
23-04-2017
Mathematics
contestada
y=x+2
x+y=20
simultaneous equations
Respuesta :
amber45856
amber45856
23-04-2017
x=9, y=11; x + (x + 2) = 20; 2x + 2 = 20; 2x = 18; x = 9
Answer Link
VER TODAS LAS RESPUESTAS ( 99+ )
Otras preguntas
Electrolysis of a dilute solution of aqueous sodium chloride results in the cathode product a. Sodium b. Hydrogen c. Chlorine d. Oxygen e. peroxide
Multiplying a number by 2 and then adding 5 gives the same number as subtracting a number from 23. What is the number?
The density of mercury is 13.6 g/mL. What is the volume of a 155-gram sample of mercury?
Multiplying a number by 2 and then adding 5 gives the same number as subtracting a number from 23. What is the number?
Which is closest to 0.5? 0.4, 0.505, 0.449, 0.48 or 0.53?
How do you do 81x^2=49
What does karyote mean?
At what point (x,y) do the two lines with equations x-2y=5 and 3x-5y=8 intersect?
A small child has a wagon with a mass of 10 kilograms. The child pulls on the wagon with a force of 2 newtons. What is the acceleration of the wagon?
without multiplying determine which expression has a product greater than 52,678A) 5/6 x 52,678B) 9/9 x 52,678C) 4/3 x 52,678D) 3/5 x 52,678How can I tell just
