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Kazeer [188]
3 years ago
6

the observation of an underground data in their ascending order are 12,15,X,19,28. if the median of the data is 18 find the valu

e of x​
Mathematics
1 answer:
Annette [7]3 years ago
3 0

Answer:

The value of x = 18

Step-by-step explanation:

Given the data set

12,15,x,19,28

  • Given that the median of the data is 18.
  • We know that the median is the middle number in a data set when the data points are in ascending order.

As the given data is already in ascending order.

  • Please observe that the data set has an odd number of data points, meaning that the middle number is the median of the data is 18.

As 'x' is the middle number, thus it represents the median value.

Therefore, the value of x = 18

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Answer:

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Step-by-step explanation:

It seems as if everything is divided by two so 5/2 is 2.5

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Negative nine is greater than or equal to the sum of two - fifths times a number and 9.
Bumek [7]

Answer:

W is either -22.5, or less than -22.5

Step-by-step explanation:

-9>=2/5 times w (I wasn't sure what you meant by "and" 9. Like 9w?)

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svlad2 [7]

Answer:

The first two choices only: A and B.

Step-by-step explanation:

The inverses are the ones with one relation having point (x,y) and the other relation having point (y,x). This most obvious when looking at points on a table or a list of points.

So the first pair are inverses because per point (x,y) on the first list you have (y,x) on the second list.

Examples:

1st list contains (-5,-9) while second list contains (-9,-5).

1st list contains (3,7) while the second list contains (7,3).

As long as (a,b) is in the first list and (b,a) is in the second or vice versa, then the pair of relations are inverses. So the first choice contains inverses.

Now lets talk about the pair of functions given in function notation.

Let's start with the first.

y=x+7

Extend the first idea more. Just swap x and y and then see after solving for y if what it equals is what g equals then f and g are inverses in the second choice.

x=y+7

Subtract 7 on both sides:

x-7=y

y=x-7

This is what g equals so the second choice is an answer.

The last choice does not contain a pair of inverses. Example: (2,3) is in the first list but (3,2) is not in the second.

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3 years ago
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Whats the area of the figure ? pls help
Dmitriy789 [7]

Answer:

672

Step-by-step explanation:

a+b / 2 times h

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