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Anestetic [448]
3 years ago
9

What is the mean absolute deviation

Mathematics
1 answer:
katovenus [111]3 years ago
3 0
Mean absolute deviation (MAD) of a data set is the average distance between each data value and the mean. Mean absolute deviations is a way to describe variation in a data set 
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Use an equation to find the value of k so that the line passing through (−4,k) and (6,−7) has a slope of −1/5.
Virty [35]

Answer:

k = -5

Step-by-step explanation:

Hi there!

m=\displaystyle \frac{y_2-y_1}{x_2-x_1} where the two points are (x_1,y_1) and (x_2,y_2)

Plug in the given information:

\displaystyle -\frac{1}{5}= \displaystyle \frac{-7-k}{6-(-4)} \\\\\displaystyle -\frac{1}{5}= \displaystyle \frac{-7-k}{6+4} \\\\\displaystyle -\frac{1}{5}= \displaystyle \frac{-7-k}{10} \\\\\displaystyle -\frac{2}{10}= \displaystyle- \frac{-7-k}{10} \\\\-2=-7-k\\k=-5

I hope this helps!

3 0
3 years ago
Read 2 more answers
Rewrite the expression −7/8 − 2 1/4 ​as the sum of two numbers.
pychu [463]

Answer:

-3 1/8.

Step-by-step explanation:

−7/8 − 2 1/4

= -7/8 + -9/4

= -7/8 - 18/8

= -25/8

= -3 1/8.

4 0
3 years ago
Please help i attached the photo to the question below
Alex_Xolod [135]

Answer:

Here is … When being informal, you don’t have to worry about highfalutin language or even …

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Step-by-step explanation:

4 0
2 years ago
After Carlos purchased some stock, the price rose $6 per share: the price then dropped $8 per share. What integer represents the
boyakko [2]

Answer:

-2

Step-by-step explanation:

6+(-8)=-2

6 0
3 years ago
2 times x plus x plus 45 =180
NARA [144]

Answer:

x= 45

Step-by-step explanation:

2x+x + 45 = 180

Combine like terms

3x+45 =180

subtract 45 from each side

3x+45-45= 180-45

3x = 135

Divide each side by 3

3x/3 = 135/3

x = 45

7 0
3 years ago
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