There is a formula for Sum of interior angles of a polygon:
This figure has 7 sides, n = 7
Add up all the given angles,
Subtract from 900,
This will give you value of x.
For the answer to the question above, I'll use one-time computing.
<span>Interest = Principal * rate * (loan duration/time unit) </span>
<span>= $1500 * 4.9% * (125 days/365 days) </span>
<span>Normally, a bank or accountant WOULD NOT use your method of rounding in the middle of the calculation but rather would round the final result. This is the normal way to handle all such mathematical processes. However, for your question, </span>
<span>= $1500 * 4.9% * 0.34 </span>
<span>= $24.99 </span>
<span>If you don't do the rounding in the middle of the calculation, the answer is $25.17.
I hope this helps.</span>
1) 2a+18
2) 5-10w
3) -12x+18
4) 2a+1b
5) 16.65+3.7x
6) 2x+12
7) 8x-32
8) 0.9x-0.6+0.36y
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The function will be a decay function for
.. |1 +r| < 1
.. -1 < 1 +r < 1
.. -2 < r < 0
Any value of r in the interval (-2, 0) will make the function a decay function.
_____
If x can have non-integer values, then you probably want r ∈ (-1, 0).
