-2/3x+3/7=0.5
-2/3x+3/7=5/10
-2/3x+3/7=1/2
-42 x 2x +6 x 3=21
-28x+18=21
-28x=21-18
-28x=3
x=-3/28
Answer:
first: 1/3
second: 1
third: 1/2
Step-by-step explanation:
That is false. The parabola opens to the right.
A+2b=3000
90a+60b=150000
-90a-180b=-127000
90a+60b=150000
-120b=-120000
b=1000
a+2000=3000
a=1000
crop a=1000
crop b=1000
If y decreases as x increases, we are looking for a negative slope. The r = -0.87 tells us that the data points correlate relatively well. The closer the decimal is to 1 or -1, the better. The answer is A.