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teddybear196510
28.08.2019 •
Mathematics
Need !
what is ∑ (3n−1) equal to?
n=18 is on bottom
8 is on top
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Ответ:
Start at the number on the bottom. Plug in that number to the equation on the right, plug in the next number into the equation on the right, and so on, until you get to the number on top. Plug in that final number, and after you get the solution, add all the solutions you have all together.
One thing though: the bottom number cannot be bigger than the number on top.
Plug in 1: 3 x (1) - 1 = 2
Plug in 2: 3 x (2) - 1 = 5
Plug in 3: 3 x (3) - 1 = 8
and so on. the pattern goes by +3
2 + 5 + 8 + 11 + 14 + 17 + 20 + 23 = 100
Answer is 100.
Ответ:
6.122 Be Nice to Pigeons, As They Remember Your Face In a study30 conducted in Paris, France, equal amounts of pigeon feed were spread on the ground in two adjacent locations.
Step-by-step explanation:
https://www.chegg.com/homework-help/questions-and-answers/6122-nice-pigeons-remember-face-study30-conducted-paris-france-equal-amounts-pigeon-feed-s-q25636011