I agree those answers make more sense to be true ^^^^
Answer:
-6
Step-by-step explanation:
Take a couple of differences and see:
11 -17 = -6
5 -11 = -6
The common difference is -6.
Answer:
Step-by-step explanation:
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Answer:
sum of terms: 55550
Explanation:
Here the number of terms:
1100 ÷ 11 = 100
Using the Formula: