2 years ago

0.01 divided 12.9 in long division

Mathematics

1 answer:

natka813 [3]2 years ago

8 0

0.01 / 12.9 is 0.00077519379

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Step-by-step explanation:

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How many terms are in the arithmetic sequence 9, 2, −5, . . . , −187?

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$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
a_1=9\\
d=-7\\
a_n=-187
\end{cases}
\\\\\\
-187=9+(n-1)(-7)\implies -187=9-7n+7
\\\\\\
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