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Since we have (16-x)2 it no longer matters if x is >16 because if we have a negative number and we square it and it becomes a positive.
The domain is all real numbers.
None. The ratio of two square numbers is itself a square number. 45 is not.
C equals the square root of 1000 or 31.622776601683793319988935444327...
If a certain number when squared equals 2009 then the solution is the square root of 2009. √2009 = ±44.82 (2dp)
'A' squared plus 'B' squared equals 'C' squared. If 'A' and 'B' are the legs of the right angle comprising the sides of the box, 30 inches squared (900) plus 30 inches squared (900) equals 1800. The square root of 1800 is 42.426408711929.
area= Pi x r-squared (25) divided by 3.14 = (3.14 x r-squared) divided by 3.14 (7.96) find the square root = (r-squared) find the square root 1.4 = radius