To find the number that, when multiplied by itself twice, equals 225, you need to find the square root of 225. The square root of 225 is 15. Therefore, the number you are looking for is 15. When you multiply 15 by itself twice (15 x 15 x 15), you get 225.
Chat with our AI personalities
It is: 15 times 15 = 225
90
That sounds like: if you multiply it by 16, the result is the same as if you add 225 to it. You can write this as an equation - calling the number "x" - as follows: 16x = x + 225 Solve this equation, and you have your number.
9 times 25 = 225
225 is a composite number. This is because composite numbers are any number that has more than two factors (one and itself). Therefore, since there are many factors of 225 besides one and itself such as 3, 5, and 9, that makes it a composite number.