Answered

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solve using the an=a1+(n-1)d formulaa1= -20, d=-4

Sagot :

Answer:

[tex]a_n=-20-4(n-1)[/tex]

Explanation:

We have the formula:

[tex]a_n=a_1+(n-1)d[/tex]

And we are given:

a_1 = -20

d = -4

Thus:

[tex]a_n=-20+(n-1)(-4)=-20-4(n-1)[/tex]

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