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myrzilka [38]
2 years ago
15

What is the genaral term of this number pattern ? 45,41,37,33,29​

Mathematics
2 answers:
Zarrin [17]2 years ago
8 0

Answer:

<h2>aₙ = -4n + 49</h2>

Step-by-step explanation:

45, 41, 37, 33, 29, ....

a₁ = 45

a₂ = 45 - 4 = 41

a₃ = 41 - 4 = 37

a₄ = 37 - 4 = 33

a₅ = 33 - 4 = 29

...

It's an arithmetic sequence.

a₁ = 45, d = -4

A general term of an arithmetic sequence:

aₙ = a₁ + (n - 1)d

Substitute:

aₙ = 45 + (n - 1) · (-4) = 45 - 4n + 4 = -4n + 49

konstantin123 [22]2 years ago
7 0

Answer:

-4n + 49

Step-by-step explanation:

it is going down by 4 each step, hence, -4 and 45 -- 4 = 45 + 4 = 49.

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