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7nadin3 [17]
2 years ago
14

here is the histogram of a data distribution. all class widths are 1. which of the following is the closest to the median of thi

s distribution
Mathematics
1 answer:
Alborosie2 years ago
7 0

The value of the median of the distribution is closest to 5.

<h3>What is the median?</h3>


A histogram is used to represent data graphically. the histogram is made up of rectangles whose area is equal to the frequency of the data and whose width is equal to the class interval.

The median is the number at the center of a dataset when the dataset is arranged in either ascending or descending order.

The numbers arranged in ascending order is : 2, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 9

Median = 5

Please find attached an image of the histogram. To learn more about histograms, please check: brainly.com/question/14473126

#SPJ1

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mr john has a son and a daughter , the son being 4 years older than daughter.Five years ago the age of mr john was 23 years more
jeka94

First, let us define our variables.

Let

x = age of the father

y = age of the son

z = age of the daughter

 

5 years ago..

(x – 5) = age of the father

(y – 5) = age of the son

(z – 5) = age of the daughter

 

After 18 years...

(x + 18) = age of the father

(y + 18) = age of the son

(z +18) = age of the daughter

 

From the first condition

y = z + 5 à eqn 1

5 years ago

(x-5) = 23 + (y-5) + (z-5)

x –y –z = 18 à eqn 2

after 18 years

(x+18) = 17*[(y +18 –z – 18)]

x – 17y + 17z = -18 à eqn 3

 

solving the 3 equations simultaneously

x = 67

y = 27

z = 22

 

 

6 0
3 years ago
Using substitution how do u solve <br> 3y+2x=6<br> and 5y-2x=10
Sergeu [11.5K]
<span>3y+2x=6
5y-2x=10
--------------add
8y = 16
y = 2

</span>3y+2x=6
3(2)+2x=6
6 + 2x = 6
2x = 0
x = 0

answer: x = 0 and y = 2 or (0,2)
7 0
3 years ago
Read 2 more answers
PLEASE HELP!
Sergeu [11.5K]

Answer/Step-by-step explanation:

Museum and Worship center => alternate exterior angles (E)

Rationale: they are exterior angles positioned in opposite sides of the transversal

Bank and Day Care => Alternate Interior Angles (A)

Rationale: they are interior angles positioned opposite each other on each side of the transversal

Park and Coffee shop => vertical angles (D)

Rationale: They are angle pairs formed by the interception of two straight lines

Fire Station and Worship Center => linear pair (F)

Rationale: They are angles on a straight line

Community Center and Day Care => consecutive interior angles (B)

They are interior angles that lie in the same side of the transversal

Bank and Museum => Corresponding Angles (C)

Rationale: they have the same matching corners

5 0
3 years ago
Quick algebra 1 question for 25 points! <br><br><br><br>Only answer if you know the answer, Tysm!
kykrilka [37]

Using a quadratic regression equation, it is found that the prediction of the number of songs that Kimberly will download on Month 9 is of:

c. 16.

<h3>How to find the equation of quadratic regression using a calculator?</h3>

To find the equation, we need to insert the points (x,y) in the calculator.

In this problem, we have that the function initially decreases, then it increases , which means that it is a quadratic function. The points (x,y) to  be inserted into the calculator are given as follows:

(1,8), (2,6), (4,5), (6,7), (7,9)

Inserting these points into the calculator, the prediction of y for a value of x is given as follows:

y = 0.391x² - 2.937x + 10.455

Hence, when x = 9, the prediction is:

y = 0.391 x 9² - 2.937 x 9 + 10.455

y = 15.69

Rounded to 16, hence option c is correct.

More can be learned about a quadratic regression equation at brainly.com/question/24028025

#SPJ1

8 0
2 years ago
Which expression has the solution x = 2 ?
ANTONII [103]

Answer:

There are so many expressions that <em>could</em> have the value of x being equivalent to 2.

Step-by-step explanation:

3 0
3 years ago
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