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postnew [5]
4 years ago
8

Acellus

Mathematics
1 answer:
34kurt4 years ago
3 0

Answer:

161

Step-by-step explanation:

<u>Given:</u>

a_1=1\\ \\a_n=3a_{n-1}+2

<u>Find:</u> a_5

First, find the second term. Substitute n=2:

a_2=3a_1+2=3\cdot 1+2=3+2=5

Now, find the third term, substitute n=3:

a_3=3a_2+2=3\cdot 5+2=15+2=17

Find the 4th term, substitute n=4:

a_4=3a_3+2=3\cdot 17+2=51+2=53

At last, find the fifth term, substitute n=5:

a_5=3a_4+2=3\cdot 53+2=159+2=161

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What are the explicit equation and domain for an arithmetic sequence with a first term of 8 and a second term of 5? 20 pts.
fgiga [73]

ANSWER

a_n = 11 - 3n

EXPLANATION

The explicit rule for an arithmetic sequence is given by:

a_n = a_1 + d(n - 1)

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a_1 = 8

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Expand to get,

a_n = 8 - 3n  + 3

The explicit rule is

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6 0
4 years ago
What number is 7 units to the left of -1?
expeople1 [14]
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7 0
3 years ago
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The commission is 5% on everything she sells
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The Vanessa’s total pay last week was $482.5
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