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juin [17]
3 years ago
13

The first term of an arithmetic sequence is 4 and the fifth term is 16. what is the nth term of the sequence?

Mathematics
1 answer:
svetlana [45]3 years ago
7 0
T1 = 4
4 = a

T5 = 16
16 = 4 + 4d
4d = 12
d = 3

Tn = 4 + ( n - 1 ) 3
Tn = 4 + 3n - 3
Tn = 3n + 1

the answer is b
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Answer:

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solve for w

re-write

2l + 2w = P

subtract  2l  from both sides

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divide both sides by 2

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Answer is B

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4 0
3 years ago
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Step-by-step explanation:

its really easy

we need to subtract the total amount that she has spent from the total amount that she had in her purse

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4) What type of sequence is shown: 1, 2, 4, 7, 10,...
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4 0
3 years ago
Find the slope of the line that passes through each pair of points. Expressed as a fraction in simplest form. (8,2),(8,-1)
boyakko [2]

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Step-by-step explanation:

The explanation are the pictures. I hope I gave you the correct answer.

8 0
3 years ago
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Natasha2012 [34]

Answer:

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Step-by-step explanation:

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3 0
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