Answer:
I don't see a graph, but I graphed the lines in the attachment.
Step-by-step explanation:
See Attachment:
BELIEVE IT IS TRUE
HOPE THI HELPS!!!!!!! ;-)
Answer:
d≤7
Step-by-step explanation:
-10d≥-70
d≤7
(a)
![x^{2}](https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20)
= 400
(b)
![\sqrt{x^2} = \sqrt{400}](https://tex.z-dn.net/?f=%20%5Csqrt%7Bx%5E2%7D%20%3D%20%5Csqrt%7B400%7D)
![x=20,-20](https://tex.z-dn.net/?f=x%3D20%2C-20)
(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