Answer:
0.5 seconds
Step-by-step explanation:
On the ground, height is 0
-16t² + 4 = 0
16t² = 4
t² = 4/16
t² = ¼
t = ½
The train will have been traveling for 4 hours
train A=45,90,135, 180
train B=0,60,120,180
Answer:
854 glass tiles
Step-by-step explanation:
first you have to find the area of each side so that you can add them up together.
(20*9)+(20*9)+(13*9)+(13*9)+(20*13)
Simplify
[(20*9)2] +[(13*9)2]+(20*13)
360+234+260
854
Answer:

Step-by-step explanation:
Given
From the attachment, we have:


Required
Determine the area
Area is calculated as:


Open brackets


