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2 years ago

9

This id hard please help me do this

2 answers:

svlad2 [7]2 years ago

7 0

In this problem, we're going to use the 'PEMDAS' method.

First, we're doing the problem in the parenthesis.
44 - 4 = 40

Next in PEMDAS, we need to do the exponent.
6² = 6 x 6 = 36

Then we would do multiplication, but there is nothing to multiply so we move onto division.
40 / 2 = 20

Now we would add, but there is nothing to add so we move onto subtraction.
20 - 36 = -16

Our final answer would be -16.

Hope this helps!~

Blizzard [7]2 years ago

4 0

44-4=40.
6^2 =6×5=36
80÷2=20
20-36=16

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$|101.5-100.4 |=1.1$

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Step-by-step explanation:

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We can calculate the mean with the following formula:

$\bar X =\frac{\sum_{i=1}^n X_i}{n}$

And replacing we got:

$\bar X = 100.4$

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$|101.5-100.4 |=1.1$

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$|104.7-100.4|=4.3$

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$MAD =\frac{1.1+1.7+5.0+8.1+9.4+4.3}{6}= 4.93$

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