Answer: 2.11 s
Step-by-step explanation:
Given
Equation of rockets height is given by

Height will be zero once the rocket lands on the ground
So, we can write
Answer:
x=5
Step-by-step explanation:
I'm pretty sure it's x=5 because if you multiply that and the quadratic function it is -12 1/2 not 12 1/2 (hope this helps :)
Answer:
Step-by-step explanation:
√(4t+5) = 3
4t + 5 = 9
4t = 4
t = 1
Answer:
Step-by-step explanation:
-19x-11= -125 add 11 to both sides
-19x= -114 divide by -19
x= 6