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Q: What is a square root of forty nine?

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-7 or +7.

6/7 or 0.857

nine sevenths.

The square root of negative forty-nine (-49) has no value over real numbers. However, over complex numbers, the square root of -49 is ±7i, where "i" is the imaginary unit, which i2 = -1.

x-7

About 6.32...

1/2

Square root of 40 can be written as 49 to the power of half. So, the 2 in the half gets cancelled with the 4 leaving 49 square. And 49 square is 2401.

Yes.

The square root of nine is three, and that is not an irrational number.

th squrae root of nine is 3

48 in a square root sign

12 (the square root of 144).

To square a number (mathematically expressed as X2) you multiply it by itself. 49 is the square of the number 7, and 7 can be said to be the 'square root' of 49.

No

it is 3i and imaginary where i = square root of -1

Remember when taking the square root of a number, that there is the positive answer, but also there is a negative numbert answer. An example is the square root of 49 can be either 7 or negative seven, because when you multiply negative seven times itself, you get forty nine.

3

Treat it like a positive and add an i. Explanation: The square root of negative nine is equal to the square root of nine times negative one is equal to the square root of nine times the square root of negative one. The square root of negative one represented by an italic lower case i. The square root of negative nine is 3i. √-9 = √9 * -1 = √9 * √-1 = 3i

The square root of a number is the inverse of the square. For example, three squared equals nine, so the square root of nine is equal to three.

Irrational.

12

Yes, the square root of 9 is 3.

No, the square root of 18 is 4.24 (rounded)

The perimeter is 28.