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Kisachek [45]
3 years ago
6

John opens a savings account with $1,000 that compounds interest daily. The APR at the time John deposits the account is 3.5%. H

e makes no withdrawals or deposits. What is his APY to the nearest hundredth of a percent after 1 year?
Mathematics
2 answers:
3241004551 [841]3 years ago
6 0
\bf \qquad  \qquad  \textit{Annual Yield Formula}
\\\\
\qquad \qquad \left(1+\frac{r}{n}\right)^{n}-1
\\\\
\begin{cases}
r=rate\to 3.5\%\to \frac{3.5}{100}\to &0.035\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{daily, so in a year is 365}
\end{array}\to &365
\end{cases}
\\\\\\
\left(1+\frac{0.035}{365}\right)^{365}-1

you'll get a decimal format, just multiply it times 100, to get the % format
DerKrebs [107]3 years ago
5 0
A = P.e^(r.t)
P=1000
e = 2.71828
t=1 (one year)

A = 1000(e)³⁵/¹⁰⁰⁰

A = 1000(2.71828)³⁵/¹⁰⁰⁰ = 1035.62
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Remember that the sum of the interior angles of a triangle is 180°. To do it the easier (but longer) way, simply do the following. Add all the interior angles up, and subtract it from 180 to get the angle you do not know, and then solve for angle 1:

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