catbeagirl200 catbeagirl200

14-09-2021
Mathematics

contestada

Harriet thinks of a number.
She squares it and then adds 11.
Harriet's answer is 36.
What was her original number?

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14-09-2021

Let the original number be x
X^2 + 11 = 36
Subtract 11
X^2 = 25
Square root both
X = 5
Solution: her original number is 5

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Аноним Аноним

14-09-2021

Answer:

5

Step-by-step explanation:

36-11=25

the square root of 25 is 5. you just have to do the problem backwards

Answer Link

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