selenasharp2005
selenasharp2005 selenasharp2005
  • 25-02-2020
  • Mathematics
contestada

Solve the system of equations by substitution: x=2
X+y=10

A. X=2 and y=10
B. x=2 y=4
C. X=2 and y=8
D. X=10 and y=2

Respuesta :

hughesolivia000
hughesolivia000 hughesolivia000
  • 25-02-2020

Answer:

C.

Step-by-step explanation:

X + y = 10

replace with given number

2 + y = 10

then subtract 2 from each side of the equation

2 + y = 10

-2          -2

     y = 8

Answer Link
arsemaqeen
arsemaqeen arsemaqeen
  • 25-02-2020

Answer: the answer is C because if X=2 then u need a number plus that to equal 10 so basically the only number choice u have is 8 so it means Xv2 and Y=8

Answer Link

Otras preguntas

Suppose that a point moves along some unknown curve y = f(x) in such a way that, ateach point (x, y) on the curve, the tangent line has slope x^2. Find an equat
find the diagonal length of this figure
Question 5 (20 points) Circle L is shown. Line segments K L and M L are radii. The length of K L is 12. Angle M L K is 60 degrees. Sector M L K with a 60 degree
Simplify. Remove all perfect squares from inside the square ✓75yz
Hola, podrían reseolverme estos problemas? Principalmente el último. Gracias 1. Al mezclar una disolución acuosa de CaCl2 con otra de AgNO3 se forma un precipit
Which of the following are characteristics of global variables? Check all that apply. They are accessible from anywhere in the program. They are accessible only
What’s the right answer?
I need help please and thank you
Which of the following expressions represents "the difference of 8 and n"? -8n n - 8 8-n
Roman courts settled legal disputes among citizens. True or False