It’s sum is 456 and it’s opposite is 654
Answer:
(2,0) IS NOT a solution to the system of equations because at that point the lines do not intersect. At (2,0) there's not even a line
Step-by-step explanation:
Let the necessary amount of water be x. Then (1.00)(1 gallon antifreeze) = 0.40(x+1 gallon), or 1 = .40x + .40. Combining like terms: 0.60 = 0.40x.
Then x = 0.60 / 0.40 = 1.5.
Adding 1.5 gallons of water to that 1 gallon of pure antifreeze results in 2.5 gallons of 40% antifreeze.
278. I got It By Counting The Letters On Meh Keyboard As Many Times As The #'s On My Keyboard.
