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weeeeeb [17]
3 years ago
7

What is 13.253 as a mixed numbersorry to ask again but this is very important ​

Mathematics
1 answer:
Vika [28.1K]3 years ago
6 0

Answer:

13 253/1000

Step-by-step explanation:

To convert 13.253 to a fraction first write it like this:

13.253/1

As we have 3 digits after the decimal point in the numerator, we need to multiply both the numerator and denominator by 10^3= 1000, so that there is no decimal point in the numerator.

13.253 x 1000 / 1 x 1000  = 13253/1000

As the numerator is greater than the denominator, we have an improper fraction, so we can also express 13.253 as a mixed number, thus 13253/1000 is equal to:

13 253/1000

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17. When a single set of values is randomly divided into two equal groups, explain how the means of these two groups may be very
joja [24]

If you take 2 groups of equal cardinality, it could happen that, for example, many of the higher values go to the first group and therefore, many of the low values go to the second group, making their respective means quite different and different from the original sample mean. This could even go worse due to the possible existence of outliers, that is, values that are far different than the sample mean. An outlier tend to disrup the mean of a sample, but for smaller samples the result is much dramatic.

For example, let X be {1,2,3,4,5,6,7,8,9,100}

The elements of X sum 145, hence the mean of X is 14,5. Let divide X in two groups

Y = {1,2,3,5,9}

Z = {4,6,7,8,100}

The elements of Y sum 20, so its mean is 4

The elements of Z sum 125, so its mean is 25

Both means are quite different from each other and quite different from the mean of X. Note that if we take the mean of the means the result is 4+25/2 = 14,5 which is equal to the mean of X.

7 0
3 years ago
The graph of function g(x) is a transformation of the graph of function f(x) = x2.g(x) =
mariarad [96]

Given:

The graph of function g(x) is a transformation of the graph of function f(x) = x²

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6 0
1 year ago
A rectangular park of length 60 m breadth 50 m encloses w volleyball court of length 18 m and breadth 10 m. Find the area of the
Zanzabum

Given

A rectangular park of length 60 m breadth 50 m encloses with volleyball court of length 18 m and breadth 10 m.

To find:

The area of the park excluding the court at the rate of Rs 110 per square meter.​

Solution:

Area of a rectangle is:

Area=length \times breadth

Area of whole park is:

A_1=60 \times 50

A_1=3000

Area of volleyball court is:

A_2=18 \times 10

A_2=180

Now, the area of the park excluding the court is:

A=A_1-A_2

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Therefore, the area of the park excluding the court is 2820 square meter.

4 0
3 years ago
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adelina 88 [10]
Scientific notation means the numbers have to be between 1 and 10, so here is the answer as well as where to move the decimal

8 0
3 years ago
What is the difference between 12/8 and 3/4?
Katen [24]

Answer:

3/4

Step-by-step explanation:

Difference means subtraction

12/8 - 3/4

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12/8  - 6/8

 6/8

Divide by 2 in the numerator and denominator

 3/4

6 0
3 years ago
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