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Dima020 [189]
3 years ago
15

Write 0.4 as a fraction.

Mathematics
2 answers:
Sergio [31]3 years ago
5 0

Answer:

D

Step-by-step explanation:

since there is no whole fraction for the 0.4 so it has to be a repeated decimal so i picked D.

miss Akunina [59]3 years ago
4 0

Answer:

C)

Step-by-step explanation:

x = 0.444.....

One decimal digit is repeating. So, multiply by 10

10x = 4.444........

<u>   x = 0.444......</u>    { Now subtract}

9x = 4

x = 4/9

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Gre4nikov [31]

Answer:

Class width = 9

Class limits = 20 - 28; 20 - 28; 29 - 37; 38 - 46; 47 - 55; 56 - 64; 65 - 73; 74 - 82.

Step-by-step explanation:

We are given;

Highest value = 82

Lowest value = 20

Frequency = 7

Formula for class width is;

Class width = (Highest Value - Lowest Value)/number of classes

Class width = (82 - 20)/7

Class width = 8.8 ≈ 9

Now,since class width is 9, limits between 20 and 82 would be done at intervals of 9.

Thus;

Class limits = 20 - 28; 20 - 28; 29 - 37; 38 - 46; 47 - 55; 56 - 64; 65 - 73; 74 - 82.

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Step-by-step explanation:

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