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What two numbers multiply to get -1 and add up to 20?
The numbers are (10- square root of 101) and (10+square root of 101)
Square numbers up to 25?
They are: 1, 4, 9, 16 and 25
The square root of 484?
The square root of 484 is 22. An easy trick to find this out is to round down to the nearest large whole number. In this case, that is 400, the square root of which is 20. If 20 x 20 = 400, what does 21 x 21 equal? Turns out that's 441. Move up to 22 x 22. There you have your answer!
What is the square root of 202?
The square root of 202 equals 14.213 or the square root of 202 (only factors of 202 are 202, 101, 2 and 1)
How many feet is 20 feet by 30 feet?
Oh, dude, it's like basic math, right? So, 20 feet by 30 feet is like multiplying the two numbers, which gives you 600 square feet. But, like, if you're asking how many feet in total, it's just 20 + 30 + 20 + 30, which equals 100 feet. Easy peasy!
