I didn’t know if you meant y^2 or 2y so I did both. Hope this helps
Answer:
4:10, 8:20, 16:40
Step-by-step explanation:
Times both numbers by 2 each time to get a new equivalent ratio.
The greatest possible error (GPE) of 500 inches cubed is 0.5 inches, it's not the percentage yet, I hope this helps.
Answer:
y = -1/2x^2 -5x -45/2
Step-by-step explanation:
Multiply it out and collect terms.
y = -1/2(x^2 +10x +25) -10 . . . . . expand the square
y = -1/2x^2 -5x -25/2 -20/2 . . . eliminate parentheses
y = -1/2x^2 -5x -45/2 . . . . . . . . collect terms