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Andrews [41]
3 years ago
6

[(21 + 5) ÷ 2] + 7 • (8 - 3) equals

Mathematics
1 answer:
kow [346]3 years ago
6 0
[(21 + 5) ÷ 2] + 7 × (8 - 3)
[26 ÷ 2] + 7 × (8 - 3)
13 + 7 × (8 - 3)
13 + 7 × 5
13 + 35
48
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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\\
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d=\textit{common difference}\\
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a_1=46\\
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\end{cases}
\\\\\\
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see explanation

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