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inessss [21]
3 years ago
8

In a class full of men and women 5/9of the class are women. What is the ratio of men to women in its

Mathematics
1 answer:
Murljashka [212]3 years ago
4 0

Answer:

The ratio in its simplest from is 4:5

Step-by-step explanation:

Now, let’s pick an arbitrary value for the total number of students in that class.

Let’s say we have 45 students in the class

The number of women would be 5/9 * 45 = 25

The number of men would be 45-25 = 20

So the ratio of men to women would be;

20:25 which in its simplest form = 4:5

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Answer:

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Step-by-step explanation:

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8 0
3 years ago
A set of n = 25 pairs of scores (x and y values) has a pearson correlation of r = 0.80. how much of the variance for the y score
enot [183]

0.64 or 64% of the variance for the y scores is predicted by its relationship with x.

<h3>What is coefficient of determination?</h3>

The percentage of the variation in the dependent variable that can be predicted from the independent variable is known as the coefficient of determination, abbreviated R2 or r2, in statistics.

<h3>How to find the variance for the y scores?</h3>

given that

A set of n = 25 pairs of scores (x and y values) has a pearson correlation of r = 0.80.

now we have to find the variance for the y scores.

here, r=0.80 then {r}^{2}  = 0.64

which means 0.64 or 64% of the variance for the y scores is predicted by its relationship with x.

r =  \sqrt{ {r}^{2}} \: or \:  \sqrt{ {r}^{2}} \\ 0.80 =  \sqrt{ {0.80}^{2} }   \\ 0.80 = 0.80

Learn more about coefficient of determination,refer:

brainly.com/question/17485791

#SPJ9

4 0
1 year ago
a box contains 8 calculators. it is one-sixth full. if the boxs were full how many calculators would be in the box??
VARVARA [1.3K]
48 because 8 times 6 equals to 48
7 0
3 years ago
1. Branson can choose to pay for a new
Ivenika [448]

Answer:

His Debit Card

Step-by-step explanation:

Because whenever i go to the story with adults they are most likely to use there debit card. Or they do use there debit card

7 0
3 years ago
Can someone please help me out?? I would really appreciate it.
Gennadij [26K]
The other angle will be 45 degrees ( 180-90-45=45 angle sum of triangle)
Thus this is an isoceles triangle—> x = y
Using Pythagoras’s theorem, 2x^2 = 7^2= 49
Thus x = 7/rt(2) or -7/rt(2) , then reject negative values and rationalise to get 7rt(2)/2 for x, thus x = y = 7rt(2)/2
4 0
3 years ago
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