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ahrayia [7]
3 years ago
10

The ratio of kangaroos to koalas in the Australian zoo is 6 to 8 . If there are 132 koalas in the zoo how many kangaroos are in

the gym
Mathematics
1 answer:
dolphi86 [110]3 years ago
8 0

Answer:

99

Step-by-step explanation:

set it up as a proportion 6/8 = x/132. then solve

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Answer:

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Step-by-step explanation:

The formula for MAD is attached in the picture.

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x bar is the mean

n is the number of numbers (data)

For figuring out MAD, basically, <em>we subtract the mean from each of the values respectively and take the absolute value and SUM for all of the numbers in the data set. Then we divide by n, the number of numbers.</em>

<em />

Let's do this:

MAD = \frac{|2-3|+|2-3|+|2-3|+|2-3|+|3-3|+|3-3|+|3-3|+|4-3|+|4-3|+|5-3|}{10}\\=\frac{1+1+1+1+0+0+0+1+1+2}{10}\\=\frac{8}{10}=0.8

MAD is 0.8

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3 years ago
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Answer:

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Step-by-step explanation:

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