The terms of an Arithmetic Sequence are 48, 54, 60, 66, ...
What is the sum of the first 64 terms of this sequence?

Urutan sebuah sequence aritmatika adalah 48,54,60,66,...
berapa hasil jumlah dari 64 angka pertama di sequence tersebut?

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sent

The sum of the first 64 sequences is 15,168

give me explanation of the answer.please

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no its for my friend im holding this for him
just the items in the sets

I think the answer is 15360.

You use that equation to add up the numbers from a starting value to the last value.
"n" is the amount of terms, "a1" is the first term and "an" is the nth term, meaning it's the 64th number in the sequence.
So it would be
sum = (64(48 + 432)) / 2 which is 15360.

Is that right? Lol it's been about a year since I took advanced maths.