Nadia thinks of a number.
She finds the square root and then divides by 5.
Her answer is 20.
What number is she thinking of?

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anishavgusai anishavgusai · Answer 1 · 2021-01-11T12:18:42+01:00

let the num be a

/a÷5=20

/a=20×5

/a =100

square root of 100 is 10

so the number is 10

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andromache andromache · Answer 2 · 2022-04-20T12:12:28+02:00

The number that she have to think of should be considered as the 10 when her answer is 20.

Since here we assume the number be a

And, now she have to determine the square root and then divide it by 5

So, it can be like

[tex]a\div 5=20\\\\a=20\times 5[/tex]

a =100

Now the square root of 100 should be 10

hence, a = 10

Therefore, The number that she have to think of should be considered as the 10 when her answer is 20.

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