Yes because the results are unlikely to occur by chance, is what I think .
His mistake was adding 12+2 when he was supposed to subtract.
19/40 as a fraction and decimal it is 0.475
Answer:
-2
Step-by-step explanation:
If x=0
-3(0)+2y=-4
-0+2y=-4
We can say
2y-0=-4
2y=-4
Dividing both side by 2,
y=-2
5/7
6*5/6*7
30/42
30/42 = 30/42
Yes, 5/7 and 30/42 form a proportion.
