Question

if 4 is added to half of the square number of a positive number, then the result is 12. find the number​

Answer 1

Answer:

The answer should be 4.

Step-by-step explanation:

4+x=12

-4 from both sides

x=8

Then since 8 is half of a number, then times by two

16

the square root of 16 is 4.

(4^2)÷2+4=12

4^2=16

16÷2=8

8+4=12

Sorry if thats confusing

Answer 2

Answer:

Step-by-step explanation:

4+[1/2]x^2=12

[1/2]x^2=8

x^2=16

x=4