1 Answered Questions for the topic #math #arithmeticseries #help
#math #arithmeticseries #help
05/13/17
In an arithmetic series the first term is -7 and the sum of the first 20 terms is 620. a) find the common difference. b) Find the value of the term 78
I have this math exam, due into two days and this is what's coming up. Please answer ASAP = if anyone could answer in 20 - 30 minutes that would be fantastic :)
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