2 years ago

Please help, I need to do this assignment now!

Mathematics

1 answer:

zubka84 [21]2 years ago

7 0

Answer: The mean is equal to the median.

Step-by-step explanation:

Median is the middle value of a given data set. In asymmetric distribution, the data on the left side of the median is equal to the data on the right side of the median. Therefore, the mean of that data is equal to the median of the symmetric distribution.

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A ball is dropped from a height of 10 feet and returns to a height that is one-half of the height from which it fell. The ball c

Rudik [331]

Ok, so this is a sum of aruthmetic sequence and also use some logic

it goes 10 feet down, then 5 up, 5 down, etc (see attachment)

so the total distance is the sum of all the numbers in the sequence doubled, minus the first term (since it didn't bounce 10 feet up, it started from top)

the sum of an aruthmetic is
Sn= $\frac{a_{1}(1-r^n)}{1-r}$
where a1=first term, r=common ratio and n=which time

first term=10
common ratio is 0.5
n=4

so
2[ $\frac{10(1-0.5^4)}{1-0.5}$ ]-10=answer27.5

the answer is 27.5 feet