If an is a5
and
an-1 is a4

then using your recursive formula for an arithmetic sequence
an=an-1 +d
then
a5=a4+d

now, a4 =6 and common difference "d" is d=-11
hence
a5=6 -11
6-11= -5

any questions?

3 0

2 years ago

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Which of the following statements is true about the given function?

Maslowich

I think the answer is c

4 0

2 years ago

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Please help me The point D,E,F and G all lie on the same segment, in that order, such that ratio of DE:EF:FG is equal to 4:1:4.

kap26 [50]

Answer:

4+1+4+g=36

g=27

dg=32

Step-by-step explanation:

7 0

2 years ago

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If f(x)=x³-2x²-73x-70, which of the following is not a factor of f(x)?

noname [10]

Answer:

C. (x + 10)

Step-by-step explanation:

3 0

2 years ago