Answer:
Option 4 is correct.
Step-by-step explanation:
Answer:
v = 11.41 yards/second
Step-by-step explanation:
Given that,
In August 2009, Usain Bolt run 100 m in 9.58 seconds.
1 yard = 0.9144 m
It means,
100 m = 109.361 yards
We need to find Usain Bolt's average speed in yards per second.
Average speed = total distance/time taken

So, her average speed is 11.41 yards/second.
Answer:
38 plus 52 is in fact 90, but Sin and Cos will be different.
Step-by-step explanation:
Honestly I haven't learned Sin or Cos
Answer:
112 adult and 288 children
Step-by-step explanation:
x= adult seats
y= children seats
15x + 10y = 4560
x + y = 400 --> y=400-x
so plug 400-x for y in the other equation
15x + 10(400-x)= 4560
now solve this equation
15x + 10(400-x)= 4560 --> 15x + 4000-10x= 4560 --> 15x -10x = 560 --> 5x=560 --> x = 560/5 --> x= 112
now plug in 112 for this equation (x+y=400) --> 112+y=400 --> y= 288