Answer:
d =
Step-by-step explanation:
The nth term of an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Given a₉ = 16 , then
- 12 + 8d = 16 ( add 12 to both sides )
8d = 28 ( divide both sides by 8 )
d = =
Answer:
y=1/3x-1/3
Step-by-step explanation:
Answer:
2.090909...
Step-by-step explanation:
Write as improper fraction and then divide
23/11=2.090909...
9514 1404 393
Answer:
-3 1/2
Step-by-step explanation:
Put the argument where the variable is and do the arithmetic.
f(-1/4) = 2(-1/4) -3 = -1/2 -3
f(-1/4) = -(3 1/2)
Be more specific. Like what is it asking you to do ? I'm trying to help. :)