3 years ago

Which of the following statements could be translated to the equation n - 5 = -2

Mathematics

1 answer:

GarryVolchara [31]3 years ago

7 0

Answer:

Step-by-step explanation:

1, Add 5+2

2, That's your answer

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Math help? Its 9th grade math.

motikmotik

$\bf n^{th}\textit{ term of a geometric sequence}\\\\
a_n=a_1\cdot r^{n-1}\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}
\end{cases}\\\\
-------------------------------\\\\
a_1=3\qquad a_n=\left( \frac{1}{2} \right)a_{n-1}\impliedby 
\begin{array}{llll}
\textit{simply means, to get the next term}\\
\textit{you multiply the previous, }a_{n-1},~by~\frac{1}{2}\\
meaning\qquad r=\frac{1}{2}
\end{array}
\\\\\\
a_n=3\cdot \left( \frac{1}{2} \right)^{n-1}$

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