Math and Arithmetic

# Four times the square of a number is 16 Find the number?

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###### 2010-04-01 15:03:41

You need to work backwards from the answer of 16.

Dividing 16 by 4 gives you 4.

The Square root of 4 is 2.

2 squared is 4. 4 times this 4 is 16.

It can also be -2 (minus or negative 2) because when you multiply (or square) two negative numbers, the answer becomes a positive number.

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## Related Questions

There is normally a square root button on your calculator The square root of a number is a number times itself. Most square roots are memorized, such as the square root of 16 being four. The easiest way to find a square root is using the root function on a calculator. you find the square route by thinking what times this number equals this number. For example.... the square route of 64 is 8 because 8x8 equals 64. Basically the same number times itself. Another example 12x12=144 notice the factors are the same.

a square root is a number that when multiplied by itself gives a particular answer. 4x?=16 4x "the square root of 16"=16..we choose 16 because its square is 4 and when multiplied by itself gives us the final answer 16.

The distance around a square is four times the length of one side.

The perimeter of a square is equal to exactly four times the length of any one side of that square.

To square a number means that the number is to be multiplied two times. so, square of 4 is 16(4 mutiplied with 4,gives you 16).

4n2 = 8n + 12 n2 - 2n - 3 = 0 (n - 3)(n + 1) = 0 n = -1, 3 Since it has to be positive, the answer is 3.

The perimeter of a square is four times the length of a side - since the square has 4 sides of equal length.The perimeter of a square is four times the length of a side - since the square has 4 sides of equal length.The perimeter of a square is four times the length of a side - since the square has 4 sides of equal length.The perimeter of a square is four times the length of a side - since the square has 4 sides of equal length.

Cut 5184 in half six times, then divide that number by 3 four times.

-1,0,or 1 the negative square root of four is negative two and the square root of four is two

Square root of one is one, so four times this is four, add 9 is 13

The perimeter is the length of the outside. If you know the length of one side, multiply that times four to get the perimeter.

You add the four sides of it. The four sides of a square are all the same length.

The perimeter of a square is four times the length of its side.

No, because 24 is not a square number. A square number is, for example, 25. A cubed number is a number like 27. 24 is prime.

i fogot the code to unlock bonus levels but i know the code to unlock three costumes for Patrick cave man square four times then circle then square then circle twice i fogot wich one this is but its square four times then circle square circle square and lastly square four times curcle and then square three times this isn't the anser but is something extra

The four times table is a chart with all the multiple facts of the number four.

The number that is twenty-one times greater than four is eighty-four.

Since a square has four sides of equal length, each side is 12/4 or 3 feet long. To find area, multiply length times width, which in a square is the same number. Area = 3 x 3 = 9 square feet. Remember area is always square units.

its easy really!! All you have to do is divide the perimeter by 4 (because a square has four sides!) once you got that answer you then times that by its self and you have the area!! :)

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