Answer: y=0,5x²-x-1,5.
Step-by-step explanation:

We summarize (1) and (3):

Substitute b=-1 into (2):

From (5) subtract (4):

Substitute a=0,5 into (4):

Hense:
y=0,5x²-x-1,5.
Answer:
Well......
Step-by-step explanation:
Well if you subtract 2x from 7x, you get 5x. If you subtract 5x from 10x, you get 5x. When you Do that to both formulas, you end up with the same formula: 5x=-6.
Answer:
though this looks difficult. It's easier than you think. Just not visible until its visible. If I knew the answer, i would have told you... sorry.
Answer:
B
Step-by-step explanation:
Please mark brainiest
Answer:
this means that the first exprestion is the same as the second .but I don't know what you are asking.
I think you need the value of n
Step-by-step explanation:
16n=24
n=24/16
n=3/2
n=1.5