sorry again for asking this but can someone explain this and give me the answer. Been having a hard time learning this.
1 answer:
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Solution: The total money did addison have to begin with is $29.
Explanation:
Let the addison begin with money $x.
It is given that the addison earn $25 from his neighbor and $50 from her grandmother. So total money addison has
She loaned her friend %18.
Now she has
It is given that she had $86.
Therefore, the total money did addison have to begin with is $29.
Answer:
You invested $5000 between two accounts paying 2% and 4% annual interest, respectively. If the total interest earned for the year was $160, how much was invested at each rate? $ was invested at 2% and was invested at 4%.
Answer:
a)
b) See Below for proper explanation
Step-by-step explanation:
a) The objective here is to Use the power series expansions for ex, sin x, cos x, and geometric series to find the first three nonzero terms in the power series expansion of the given function.
The function is
The expansion is of is
The expansion of cos x is
Therefore;
Thus, the first three terms of the above series are:
b)
The series for is
let consider the series;
Thus it converges for all value of x
Let also consider the series
It also converges for all values of x