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Q: What is the number if the square of the sum of a number and 3 is 16?

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The number is 3 less than the square root of 16 ie 3 less than 4, so it's 1.

There are two solution: -3 and +2.

(3 + x)2 = 16 Square rooting both sides gives 3 + x = 4 x = 4 - 3 x = 1

They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.

32 + 42 = 9 + 16 = 25

225its 256, d square root being 16 which is 3 more dan d sum of d digits !!!

The sum of a number plus 3 to the square root of 9 to the sum of 2 would equal -2. This is a math problem.

A normal 3x3 magic square has a sum of 15. So you subtract 3 from each number in the square.

16

Sum = 3 x centre

example for sum of rational numbers is 1/3 + 1/5 Example for sum of irrationals is Pi + e where e is is base of natural log Another is square root of 2 + square root of 3.

3 (n + 7) = 16

25= 5*5 = (3*3)+(4*4)

the answer is for example 9+16=25=square number

The square of a number, for example 3, is 9 (3 x 3)The square root of a number is finding what number timesed by itself makes the original number. So...If you are given the question, find the square root of 16, the answer is 4, because 4 x 4 = 16The square root is basically the opposite of squaring a number42 = 16Square root of 16 = 4

When you have calculated the square root of each number, simply add the results together and you will have the answer.

Square numbers Square numbers 1×1=1 2×2=4 3×3=9 4×4=16 5×5=25 6×6=36 7×7=49 8×8=64 9×9=81 10×10=100 11×11=121 12×12=144 13×13=169 14×144=196 Sum = 169 + 100 = 269

Yes. 268 = 5² + 3⁵

No. A square number is the product of a number multiplied by itself. Nine (3 times 3) and 16(4 times 4) are the two square numbers closest to 13.

144

The sum is less than the positive number. Example: 16 + -3= 13. As you can see 13 is less than 16 so the sum is less than the positive number.

I would say 19 as the square root of 9 is 3, plus 16, makes 19. I would assume the questioner expects many people to answer 5 which is the square root of the sum of 9 and 16.

When you multiply a number itself, you are squaring the number; the square of 2 is 4, the square of 3 is 9, the square of 4 is 16, etc.

16, becasue 4 is the square of 2 and 9 is the square of 3, so 16 is next as it is the square of 4.

5^2 - 3^2 = 16