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.
Answer:x= -11 or x= 11
Step-by-step explanation:tell me if you need more explaining
J=3,k=7,l=33
put these values
6×3+(23+7)/(33-3)
18+30/30
cancel 30
18+1
19
Answer:
x = 13.75
Step-by-step explanation:
(4x + 5) - 10 = 50
4x + 5 - 10 = 50
4x - 5 = 50
4x = 50 + 5
4x = 55
x = 55/4
x = 13.75
Dont quote me on this but I'm pretty sure it Is 14 thousandths.