There was already a question like this on here so i’m going off the answer already given: 30 hours, i hope it’s right
Answer:
25.92
Step-by-step explanation:
7 = r^1/2 is the same as saying 7 = square root of r. So, to get rid of the square root sign on the r, you need to square it, and when you do something to one side of the equation, you have to do the same to the other side. So after squaring both sides, you get 49 = r.
Yes he will
Because math is cool