Answer:
A. 3s
Step-by-step explanation:
The height of the object after t seconds is given by:
When will the object hit the ground?
It hits the ground after t seconds, and t is found when 
. So
3 seconds, so the correct answer is given by option a.
Answer:
i dont understand- theres 3 ways u can put them tho 7:8 , 7 to 8 , or 7/8
Step-by-step explanation:
Answer:
The answer is 8 9/10
Step-by-step explanation:
hope this helps
Answer:
y = 4
Step-by-step explanation:
y = 4
The line will always go along y = 4 and therefore is parallel to the x axis
Answer:
10x+9
Step-by-step explanation:
You first have to multiply 3 into the parenthesis because you have to use distributive property.
Once you do that you get 3x+9+7x.
Combine like terms.
10x+9
