Answer:
Step-by-step explanation:
There is nothing I can solve
<2=40° <11=60°
Because <1 was 140°, 2 is 40°. 40°+80°=120°
180°-120°=60°
The max height will be reached after 3 seconds.
You have a typo in your equation. For this type of quadratic equation, it always starts out with a negative coefficient of the t squared term.
To find the x-coordinate of the vertex, we just need to use the expression: -b/2a.
Then, we have:
-24 / (2(-4))
-24 / -8
3
The possible side length is 7
Answer: The total cost is 
assuming the cost for 1 adult is 
and the cost for 1 child is 
Step-by-step explanation:
Assuming the cost for 1 adult is and the cost for 1 child is :
and 
Then the expression that gives the total cost 
is solved as:
