Answer:
Can u show the whole question
Answer:
Step-by-step explanation:
Given
--- Intensity
Required
Determine the decibel level (D)
This is calculated as:
Where:
The threshold intensity
So, we have:
This gives:
Apply law of indices
Apply law of logarithm
So, we have:
So:
<em>Hence, the decibel level is 50</em>
Answer:
The interquartile range (IQR) is the box plot showing the middle 50% of scores and can be calculated by subtracting the lower quartile from the upper quartile (e.g. Q3−Q1). Box plots are useful as they show outliers within a data set. An outlier is an observation that is numerically distant from the rest of the data.
Step-by-step explanation:
Answer:
Ok thansk
Step-by-step explanation:
Answer:
Total cost of CD player = $58.52
Step-by-step explanation:
Given data:
Price of CD player on sale= $54.95
Local sales tax = 6.5%
Total cost of CD player = ?
Solution:
Local sales tax= (6.5 * 54.95)/100 = $3.57
Total cost of CD player = Price of CD player on sale + Local sales tax
= $54.95 + $3.57
Total cost of CD player = $58.52
