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Setler [38]
2 years ago
8

If 3t-7=5t, then 6t#

Mathematics
1 answer:
Inessa05 [86]2 years ago
3 0
Here, 3t - 7 = 5t
5t - 3t = -7
2t = -7
t = -7/2

Then, 6t = 6(-7/2) = 3(-7) = -21

In short, Your Answer would be -21

Hope this helps!
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2 years ago
Find the sum of the first 30 terms of the sequence below an=3n+2
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First off, let's find the 1st term's value, and the 30th term's value,

\bf a1=3(1)+2\implies a1=5\qquad \qquad \quad   a30=3(30)+2\implies a30=92\\\\
-------------------------------\\\\
~~~~~~~\textit{ Sum of an arithmetic sequence}\\\\
S_n=\cfrac{n(a1+an)}{2}~ 
\begin{cases}
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a1=\textit{first term's value}\\
----------\\
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\\\\\\
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The <em>correct answer</em> is:

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