The equation R=10a-20 represents the revenue R (in dollars) you make by spending A dollars on advertising. You revenue totaled $
2 answers:
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Answer:
From top to bottom:
Slope intercept Equation:
Slope: 4 2
Y-int: (0,-2) (0,10)
Step-by-step explanation:
To solve this proportion:
Simplify 3/6, it reduces to 1/2
Then do the Criss cross method
1d = 7 ×2
d=14
Hope it helps!
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
