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:
x = 10
Step-by-step explanation:
X = 10 because if you look at the 28 and 14, 14 is half of 28 so the ratio is 1:2 which would also work for the 20 so the answer is 10
Answer: A
Step-by-step explanation:
If the fraction is negative, and the numerator and denominator is negative, then if you were to do anything to them it would become a positive
Answer:
(28-32)/32 = 4/32 = 1/8 = 0.125 = 12.5%
Step-by-step explanation:
