Question

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Answer 1

@illianawer343 Hey!! Welcome to openstudy man! :D Its great to see you posting questions, but I think this would fit better in the math area.
http://openstudy.com/study#/groups/Mathematics

Maybe you should try again there and tag let me know so I can tag some people I know to get you the best step by step instructions on how to get the answer.

Have a great time openstudying my friend. :)

Answer 2

\[
d=\frac{1}{2}at^2\\
1.8=\frac{9.8}{2}t^2\\
t=0.183673\text{ s}
\]
The ball will touch the ground 0.183673 s after the ball has been thrown. Find the horizontal speed.

Answer 3

27+m=1.8
m=-25.2

Answer 4

do u have choices

Answer 5

Ah, \(\text{speed}=\frac{\text{distance}}{\text{time}}\).