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Musya8 [376]
3 years ago
5

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

Mathematics
1 answer:
4vir4ik [10]3 years ago
4 0

Answer:

I believe it is 63 although i may be doing the wrong formula. but as far as i can tell thats right.

Step-by-step explanation:

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Total area of two room <br> Help due soon (no link)
AlladinOne [14]
The answer is B, 2136

Explanation:
48-28 = 20. Now 20 times 20 equals 400, now remember that number.
Now 28 times 62 equals 1,736.
Now back to 400.
400+1736 equals 2,136.

Hope I helped you, please tell me if I am correct or not.

Enjoy your day!
:)
4 0
3 years ago
A bike path is 12.5 miles.Dominic is 70% of the way to the end.How far is dominic on the path?
adelina 88 [10]

She is 8.75 miles on the path.

6 0
3 years ago
Read 2 more answers
Item 18 you and your friend are selling tickets to a charity event. you sell 7 adult tickets and 16 student tickets for $120. yo
quester [9]

Answer:

  $4

Step-by-step explanation:

The two purchases can be written in terms of the cost of an adult ticket (a) and the cost of a student ticket (s):

  7a +16s = 120 . . . . . . . . price for the first purchase

  13a +9s = 140 . . . . . . . . price for the second purchase

Using Cramer's rule, the value of s can be found as ...

  s = (120·13 -140·7)/(16·13 -9·7) = 580/145 = 4

The cost of a student ticket is $4.

_____

<em>Comment on Cramer's Rule</em>

Cramer's rule is particularly useful for systems that don't have "nice" numbers that would make substitution or elimination easy methods to use. If you locate the numbers in the equation, you can see the X-patterns that are used to compute the numerator and denominator differences.

The value of a is (16·140 -9·120)/(same denominator) = 1160/145 = 8. I wanted to show you these numbers so you could see the numerator X-pattern for the first variable.

__

Of course, graphical methods can be quick and easy, too.

8 0
3 years ago
Tyler's brother earns $12 per hour. The store offers him a raise - a 5% increase per hour. After the raise, how much will Tyler'
Natali [406]

Answer: $12*0.05=$0.60. Then, add this amount to his current hourly rate. So he now makes $12.60.

7 0
3 years ago
If the selling price is $18 and the markup is 33% what is the dollar market
Roman55 [17]
That cost will be $23.94 in the dollar market
5 0
3 years ago
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