find the number such that square root of four more than five times the number is 8. pahelp po​

Sagot :

Answer:

Step-by-step explanation:

Let the number ==N

Sqrt[(5 * N) + 4 ]==8

square both sides

[5N + 4 ]==64

Subtract 4 from both sides

5N ==60

Divide both sides by 5

N ==60 / 5 ==12