Question

give a math question
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Answer 1

Answer:

T=a+(n-1)d

a=3 , d=5

T=3+(n-1)5

-3/5=n-1

-3/5 +1=n

2/5=n

Step-by-step explanation:

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Answer 2

Answer:

a=3 d=5 an=78

an=a+(n-1)d

78=3+(n-1)5

78-3=(n-1) 5

75=(n-1)5

75/5=(n-1)

25=(n-1)

25+1=n

26=n