Please answer 1-5 i will give brainiest and 40 points
1 answer:
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Answer:
Step-by-step explanation:
Rewrite the system of equations as:
Subtract the second equation from the first to isolate :
Plug in into any of the equations above and solve for
:
Verify that the solution pair works
Therefore, the solution to this system of equations is:
(a) 
= 400
(b)
(c) Only the positive solution makes sense because you cannot have a negative side length.
(d) Since one side of the painting is 20 inches, all four sides together will be 20*4 = 80 inches
(b)
(c) Only the positive solution makes sense because you cannot have a negative side length.
(d) Since one side of the painting is 20 inches, all four sides together will be 20*4 = 80 inches