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Algebra
Pregunta

1. What is the \( 8 ^ { th}\) term in the sequence...

1. What is the \( 8 ^ { th}\) term in the sequence \( 23,30,37 , \ldots \) ? 

2. How many terms are there in the sequence \( 2,5 , 8 , 11 , \ldots , 119 ? \) 

3. The last term of an arithmetic sequence is \( 228 , d = 7 . n = 32 \) , what is the first term? 

4. The \( 1 ^ { st}\) term of an arithmetic sequence is \( 29 \) and the \( 12 ^ { th}\) term is \( 106 \) Find the common difference. 

5. What is the general and the nth term of an arithmetic sequence \( 25,30,35,40,45 , \ldots \) ? 

Answer

An=A1-(n-1)d

1. 72

2. 40

3. 11

4. 7

5. An=5n+20

Solución
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