9x-12=5x-4 pls help
2 answers:
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Answer:
He earned $114 in interest.
The final amount in the account is $874
Step-by-step explanation:
Initial balance (b): $760
Interest rate (i): 0.05
Period (n): 3 months
Simple interest applications yield the same amount in interest every period. Therefore, the total simple interest earned can be defined by:
The final amount (A) in the account is the initial balance plus the interest earned in 3 months.
He earned $114 in interest and the final amount in the account is $874
Solution :
Let us consider the squares be
If x ranges from the 0 to 16 and the y ranges from 16 to 32, we see that the boundary of the region which goes from the
.
And so it is easier to find the area of region where . This is the triangle with points
as its vertices.
The area if the triangle is =
=
Now the entire area is = 256
Then,
or
Thus the answer is