Answer:
Length:28 cm
Width: 13 cm
Step-by-step explanation:
Let
x ---> the length of a rectangle picture frame
y ---> the width of a rectangle picture frame
we know that
The area of a rectangle picture frame is equal to

we have

so
----> equation A
The length of a rectangle picture frame is 2 centimeters more than twice it’s width
so
---> equation B
Solve the system by graphing
Remember that the solution is the intersection point both graphs
The solution is the point (28,13)
see the attached figure
therefore
Length:28 cm
Width: 13 cm
Answer: (-2,2)
Explanation: I plugged it into a graphing calc!
Answer:
A
Step-by-step explanation:
Temperature decreased by 12°C : (-12°C)
Expression:
12 + (-12) = 12 - 12
Answer:
D. (0,0)
Step-by-step explanation:
F(x)=6x
0=6x
x=0