What is the third quartile of the following data set 24 20 35 43 28 36 25 29 44 21 37

1 answer:

4 0

Putting the data in ascending order, we get:
20, 21, 24, 25, 28, 29, 35, 36, 37, 43, 44
The median is in the middle and is 29.
The third quartile is the median of the set {35, 36, 37,43,44} and is therefore 37.

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The value of a book is $150 and decreases at a rate of 4% per year. Find the value of the book after 12 years

nevsk [136]

If it decreases at 4% every year, then its value becomes:

100% - 4% = 96% = 96/100 = 0.96

At the end of the 1 year its value becomes: 150*(0.96)

At the end of the 2 years its value becomes: 150*(0.96)*(0.96) = 150*(0.96)²

At the end of the 3 years its value becomes: 150*(0.96)*(0.96)*(0.96) = 150(0.96)³

So similarly at the end of 12 years, its value becomes 150*(0.96)¹²

=50*(0.96)¹² simplify with calculator.

<span>≈ 91.91

Value at the end of 12 years becomes ≈ $</span><span>91.91

I hope this helps.
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8 0

3 years ago

A cab company charges three dollars per cab ride plus an additional two dollar per mile driven how long is a cab ride that cost

Sav [38]

If the ride cost $9 then the miles will be 3 miles.

Step-by-step explanation:

In this question we are given:

Cost of one cab ride R = $3

Additional Cost per mile M = $2

So, Total cost of Cab Ride = $3 + $2M

If cost of cab ride is $9 then we need to find the miles

$3 + $2M = $9