3 years ago

Please help!!!!this is my last part of my discussion and I am stuck on it I would really appreciate the help!!

Mathematics

1 answer:

frosja888 [35]3 years ago

5 0

x + 5 = 0 - > x = -5

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Answer:

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Step-by-step explanation:

Given : An arithmetic sequence begins as follows: $a_1=13, a_2=19$

To find : Which of the following gives the definition of its nth term?

Solution :

The nth term of the A.P is $a_n=a+(n-1)d$

The first term is $a=a_1=13$

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$d=19-13=6$

Substitute in the formula,

$a_n=13+(n-1)6$

$a_n=13+6n-6$

$a_n=6n+7$

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