106k views
16 votes
The explicit formula for a sequence an = 5 – 7n . What is the value of a12?​

User RTF
by
7.9k points

2 Answers

6 votes

Answer:

-79

Explanation:

an=5-7n This is the given equation

Now, we substitute 12 for n and do the equation

a(12)=5-7(12)

a(12)=5-84

a(12)=-79 This is our answer, negative 79

User Sushil Adhikari
by
8.6k points
8 votes

Answer: its just 12 because a is just a variable

Step-by-step explanation: so like 5 - 7n its just 5 - 7 which in 2 so 12a is just 12

User Vonton
by
8.8k points
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