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eddiewoods56881
21.02.2020 •
Mathematics
Find the 11th term of the geometric sequence 10, 20, 40, ...10,20,40,
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Ответ:
11th term is 10240
Step-by-step explanation:
Step 1: Given the sequence 10,20,40. So a(1) = 10, common ration, r = 20/10 = 2 Find the 11th term using the nth term formula, a(n) = ar^n-1⇒ a(11) = 10 × 2^10 = 10 × 1024 = 10240
Ответ:
52%
Step-by-step explanation:
First we have to find the total:
5 + 8 + 12= 25
Now we have to add how many red and how many blue marbles.
5 + 8 = 13.
Now you can tell that 13 > 12 so we can predict that the answer is 52%
However, lets go ahead and divide 13 from 25
13/25 = .52
This means that the answer is 52%!
~CaityConcerto