3 years ago

Find the 28th term of the arithmetic sequence

Mathematics

1 answer:

tamaranim1 [39]3 years ago

8 0

Ain’t really sure but I’m it’s ( C

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When a sum of rupees hundred is divided in the ratio of 2 is to 3 find the share of each part

yKpoI14uk [10]

2x + 3x = 100

5x=100

x=100/5

x= 20

Therefore, 2x=2×20=40

3x=3×20=60

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4 0

3 years ago

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An element with mass 730 grams decays by 27.6% per minute. How much of the element is remaining after 12 minutes, to the nearest

Korolek [52]

$\bf \qquad \textit{Amount for Exponential Decay}\\\\
A=I(1 - r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
I=\textit{initial amount}\to &730\\
r=rate\to 27.6\%\to \frac{27.6}{100}\to &0.276\\
t=\textit{elapsed time}\to &12\\
\end{cases}
\\\\\\
A=730(1-0.276)^{12}\implies A=730(0.724)^{12}$