5.98
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% = the square root of Do you mean: %18 x 2 x %75 =%48? If so, then no, that's wrong.
Several different ways in which the solution can be expressed. 2 √18 Take everything inside the square root. 2√18 = √(4 x 18) = √72 Simplify the square root. 2√18 = 2√(9 x 2) = 2 x 3√2 = 6√2 Solve the square root. 2√18 = 2 x 4.24264 = 8.48528 (5dp)
to do this multiply 18 x 2 and take sq rt - sq rt (36) = 6
The square root of 18 is the same as the square root of (9 x 2) Since 9 is a perfect square, we know the square root of 9 is 3 so you take the 3 and bring it outside the square root sign. 3 x the square root of 2 Some teachers want you to leave it like that but if they want a decimal answer you need to use a calculator. The answer in this situation is 4.24
Its the square root of 2 times x Ambiguous. More clear is x times square root of 2