A ) h = -16 t² + 135 t + 76
Let : h = 0
0 = - 16 t² + 135 t + 76
B ) t 1/2 = (-b+/- √ ( b² - 4 ac ) / ( 2 a )
t 1/2 = (-135 - √(18,225 + 4,864))/ (-32) = ( - 135 - 151.95) / (- 32)=
= (-286.95) / (- 32) = 9.967 ≈ 9.0 s ( other solution is negative )
Answer:
2) 0 = -16 t² + 135 t + 76; 9 s
Answer:
The value is 9 tenths :)
Step-by-step explanation:
Answer:
See below
Step-by-step explanation:

Solve:


Check:





Solve:





Solve:

Answer:
1. .466-
2. -0.6
3. .466-
4. .466-
5. 0.6
Step-by-step explanation:
The one in the top left corner is the answer