SOLUTION: I am not able to find the answer Maria was doing square roots. One day her calculator gave her this answer when she took a square root: 12.42. If this was the answer, what numbe

Algebra ->  Radicals -> SOLUTION: I am not able to find the answer Maria was doing square roots. One day her calculator gave her this answer when she took a square root: 12.42. If this was the answer, what numbe      Log On


   

Question 1156711: I am not able to find the answer
Maria was doing square roots. One day her calculator gave her this answer when she took a square root: 12.42. If this was the answer, what number did she enter into her calculator to get this answer?
thank you
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) About Me  (Show Source):
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

In order for you better understand the problem, I will re-formulate it in the SHORT form.

    +---------------------------------------------------------------------------+
    |  If the value of the square root of the number is 12.42, find the number. |
    +---------------------------------------------------------------------------+


Solution 

You are given

    sqrt%28x%29 = 12.42.


Square both sides

    x = 12.42%5E2 = 154.2564.    


ANSWER.  The number is  x= 154.2564.

Solved, explained, calculated, answered and completed.