if the equation is y+=1/2 (x-3) the slope is wrong. the slope is actually 6. that was the error that Sydney made. i hope this help some of my people out:)
Step-by-step explanation:
now you got this go kill that essay:))))
For this case we have the following quadratic equation:

By the time the projectile hits the ground we have the final height equal to zero:

Therefore, we have a second-order polynomial that we must solve:
Using resolver we have:

Rewriting:

Doing the calculations we have two roots:

We discard the negative root because we are looking for time which is greater than zero.
Answer:
the projectile will hit the ground after:
C. 5.3 seconds
Answer:
the 2nd one
Step-by-step explanation:
Answer:
3
Step-by-step explanation: