Question

Solve 60=10√y-3

A.y= -39
B.y= 39
C.y= 39,-39
D.y= -10,39

Answer 1

60=10√(y-3)
60²=(10√(y-3))²
3600=100(y-3)
3600=100y-300
100y=3600+300
100y=3900
y=3900/100
y=39

we have to chek the possible answer:
10√(39-3)=10√36=10(6)=60

Answer: B. y=39

Answer 2

B :) hope this helped!