this is system of equations
2x + 5y = -1 times this one by 5 to make the y's opposite
-10x -25y = 5
10x - 25y = -5 (this is it times by 5, now add them)
__________
0 + 0 = 0
now since everything cancels and both sides are equal it has infinite solutions beaus they are actually the same line.
Answer:find the solution to the system of equations below.start by adding the equation
{-2x+2y=-8
{2x+y=5
Step-by-step explanation:The given system of equation are:
1---- y= x -4
2----- y=4 x+2
Equation (1) - Equation (2)
→0= x -4 - (4 x+2)
→0= -3 x -6-----[Adding and subtracting like terms]
Adding 3 x on both sides
→3 x= -6
Dividing by 3 on both sides
→x = -2
→Substituting the value of x in equation 1, we get
y= -2 -4
y =-6
→Solution set =(x,y)=(-2, -6)
Don't used the graph to find the solution.
Answer:
the slope of the line is 2
Step-by-step explanation:
3-1
1-0
=
2
1
=
2
Y=12+9=21
x=15+9=24
Thus,x=24 when y=21.
Child # Age Snack
1 4 chips
2 4 chips
3 5 chips
4 5 fruit
5 5 chips
6 4 fruit
7 5 fruit
8 4 chips
<span>9 5 chips
Out of the 9 children, there 4 4-year olds and 5 5-year olds
Out of the 4 4-year olds, 3 like chips and 1 like fruits
Out of the 5 5-year olds, 3 like chips and 2 like fruits
Answer is Choice B.
</span>B.
Chips Fruit
4-year-old 3 1
<span>5-year-old 3 2</span>