Answer:
Step-by-step explanation:
−2|x| < −8 ↷
−2x > 8 −2x < −8
___ __ ___ ___
−2 −2 −2 −2
OR
Whenever you multiply\divide by a <em>negative</em>, you reverse the inequality symbol.
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Extrano a mi sobrina, what does the underlined word mean
1 answer:
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The expression that represents the ratio of the difference of the two means to Sidney’s mean absolute deviation is given by: Option B: 4/3.28
<h3>What is mean absolute deviation?</h3>Mean absolute deviation is the average of the absolute deviation of each observation from their mean, for a considered set of observations.
For this case, the table of mean and mean absolute deviation is given as:
(M.A.D refers to Mean Absolute Deviation).
So, difference in their mean is 82 - 78 = 4
Absolute deviation for Sidney is 3.28
Thier ratio is: 4/3.28
Thus, the expression that represents the ratio of the difference of the two means to Sidney’s mean absolute deviation is given by: Option B: 4/3.28
Learn more about ratio here: