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weridness80
22.07.2019 •
Mathematics
Mario bought some pants that were orginally $45 on sale for $18. what was the percent of the discount?
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Ответ:
$45 - $18 = $27
$27
$45 = 0.6
0.6 = 60%
There was a 60% discount in the price of Mario's pants.
Ответ:
Variance = 25
Step-by-step explanation:
Standard deviation is the under root of variance.
Variance is the square of standard deviation.
Data:
Mean = 70
Variance = ?
Standard deviation = √variance = 5
Variance = 5²
Variance = 25.
Therefore, the variance is 25.