"________ means that for each value in the foreign key of one table, there is a corresponding value in the primary key of anothe
1 answer:
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Answer:
-2n²
Step-by-step explanation:
Using the image attached:
We see that the second differences (blue ones) are all equal so we conclude that this is a quadratic sequence.
The quadratic sequence has the form:
To find the value of a we just divide second difference ( -4 ) by 2:
Now we have:
Substitute and
into the equation above:
Since = -2 and
= -8 , after simplification we have:
The solution of this system is:
- b=0, c =0
The general term is :
Answer:
$7.52 = 7 dollars and 52 cents.
Step-by-step explanation:
Given that three pounds of coffee = $22.56
1 pound of coffee = $22.56/3
Thus, we would have:
.
A pound of coffee = $7.52
$7.52 = 7 dollars and 52 cents.