Answer:
x=3, y=-1
Step-by-step explanation:
Double the first equation, then add the second
6x+2y=16
+ 2x-2y=8
The y's cancel each other out.
8x=24
x=3
Solve for y
6-2y=8
2y=-2
y=-1
Double check:
6(3)+2(-1)=16
18-2=16
Yay!
Simplify: −3(4x + 5)(2x + 4)
2 answers:
You might be interested in
Answer:
C is the answer.
Step-by-step explanation:
Area of circle =
radius = 3
use pi = 3.14
So you have 3.14(3)^2
which equals 28.26 units squared, which is C.
Answer:
Step-by-step explanation:
To reflect the graph of a function across the x-axis,