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DaniilM [7]
3 years ago
15

Which numbers represents a repeating decimal -2/5, -7, 3/9, 11/12

Mathematics
1 answer:
Olegator [25]3 years ago
6 0
-2/5=-.4
-7=-7

These two are repeating decimals.
3/9=.3333334

11/12=.9166667
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Last time, one out of every 4 students in our class was absent. This time, after Jen came back, only one out of every 5 students
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Answer: There are 20 students and 4 students are not here today.

Step-by-step explanation:

If the number of students = 4

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And Jen came back,

So, the fraction of student absent is also written as

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According to question, it becomes,

\dfrac{x}{5}=\dfrac{x}{4}-1\\\\\dfrac{x}{5}=\dfrac{x-4}{4}\\\\4x=5(x-4)\\\\4x=5x-20\\\\4x-5x=-20\\\\-x=-20\\\\x=20

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Step-by-step explanation:

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2 years ago
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