107k views
0 votes
Help me pleaseeeeeeeeeeeeee!!!!

Help me pleaseeeeeeeeeeeeee!!!!-example-1
User Criss
by
3.1k points

1 Answer

7 votes

Answer:

7.5 seconds

Explanation:


- 16 {t}^(2) + 900 = 0


- 16 {t}^(2) = - 900


{t}^(2) = (900)/(16)


t = (30)/(4) = 7.5

User Alex Lu
by
3.7k points