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3 years ago

NEED HELP ASAP!!! IF YOU ANSWER RIGHT ILL MARK YOU BRAINLIEST!! (the calculator shown doesnt work for me)

Mathematics

1 answer:

Lana71 [14]3 years ago

7 0

Answer:

17-5n

Step-by-step explanation:

i believe it is asking for the nth term(english is my third language, i learnt this in italian, sorry if it's not what the question means)

the formula:

a(n) = a + d(n−1)

a(n)= nth term

a= first term

d= common difference

a(n) = a + d(n−1)

a(n)= 12+(-5)(n-1)

a(n)= 12-5(n-1)

a(n)=12-5n+5

a(n)=17-5n

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