3)
1 answer:
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For this problem, we know d = 6 because (11 - 5) = (17 - 11) = (23 - 17) = 6
Now, we have to use the formula:
For this problem, d = 6 and a(base1) is 5, so plug it in like this:
To simplify, all you have to do is distribute the six and reduce like so:
So, here's your answer:
Hope this helps!
Now, we have to use the formula:
For this problem, d = 6 and a(base1) is 5, so plug it in like this:
To simplify, all you have to do is distribute the six and reduce like so:
So, here's your answer:
Hope this helps!