3 years ago

Melanie is going to invest in an account paying an interest rate of 5.2% compounded

Mathematics

2 answers:

Temka [501]3 years ago

6 0

Answer:

7300

Step-by-step explanation:

vlada-n [284]3 years ago

4 0

Answer:

7300

Step-by-step explanation:

I got it right

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The value of a motorbike depreciates by 32% per year. Work out the current value of a motorbike bought 5 years ago for £3600

DaniilM [7]

$\bf \qquad \textit{Amount for Exponential Decay}
\\\\
A=P(1 - r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{initial amount}\to &3600\\
r=rate\to 32\%\to \frac{32}{100}\to &0.32\\
t=\textit{elapsed time}\to &5\\
\end{cases}
\\\\\\
A=3600(1-0.32)^5\implies A=3600(0.68)^5\implies A\approx 523.41601$