Mathematics
18.08.2022 09:07
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To find the average height of the building
To find the average height of the building
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andrew412603
4,4(7 marks)
The average is 1.493
to find the average add all the numbers than divide the sum by the the the amount of numbers there are
to find the average add all the numbers than divide the sum by the the the amount of numbers there are
Packergood
4,5(19 marks)
It is the first choice.
Step-by-step explanation:
This is a sequence where
the next term is obtained by adding 6.
first term = -9 + 6(0) = -9
second term = -9 + 6(1) = -3
third term = -9 + 6(2) = 3
4th term = -9 + 6(3) = 9
and 81 = -9 + (6*15).
So the answer is Sigma (-9 + 6n) from n= 0 to n = 15.
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