Solve 4r2 – 9 = 91. A:{±3} B:{±4} C:{±5} D:{±6}
1 answer:
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Answer:
The amount to be deposited now to provide for this trust is $119,392.16.
Step-by-step explanation:
This problem is based on ordinary annuity.
An ordinary annuity is a sequence of fixed payments made, every consecutive period, over a fixed interval.
The formula to compute ordinary annuity is:
Here <em>qⁿ </em>is:
Compute the ordinary annuity as follows:
Thus, the amount to be deposited now to provide for this trust is $119,392.16.
For any square the area is given by 
where 
is the length of one side. (This comes from the general rectangle formula 
with 
).
To solve for we take the square root of both sides:
Now we can substitute known values:
To solve for
Now we can substitute known values: