180k views
7 votes
Last one im asking for help lol

Last one im asking for help lol-example-1

1 Answer

5 votes

Answer:

2.0

Explanation:


when \: the \: object \: hit \: the \: ground \: \\ h(t) = 0 \\ - 4.9 {t}^(2) + 5t + 9 = 0 \\ a = - 4.9 \: \: b = 5 \: \: c = 9 \\ x = \frac{ - \: b \: - \sqrt{ {b}^(2) - 4ac} }{2a} \\ x = \frac{ - \: 5 \: - \: \sqrt{ {5}^(2) - 4( - 4.9) * 9} }{2( - 4.9)} \\ x = ( - \: 5 \: - √(25 + 176.4) )/( - 9.8) \\ x= 2.0

User Alexander Somov
by
7.7k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories