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Ber [7]
3 years ago
9

Help please I need this in less than 2 mins

Mathematics
1 answer:
Masja [62]3 years ago
4 0

Answer:

4 - 3j

Step-by-step explanation:

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How do I find a7? Currently getting a even #
Katarina [22]

we know that a₁ = 1, and aₙ = aₙ₋₁ + 2, is another way of saying, we add 2 to get the next term, namely, 2 is the common difference.


\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}\\[-0.5em]
\hrulefill\\
a_1=1\\
d=2\\
n=7
\end{cases}
\\\\\\
a_7=1+(7-1)2\implies a_7=1+12\implies a_7=13

5 0
2 years ago
If A = 4 what is the value of the expression 12 - a/4
antiseptic1488 [7]
I hope this helps!!

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3 years ago
Distrubutive property 4(c+d+9)
ivann1987 [24]

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