A. 4/5 take the bus so 1/5 do not. 1/5 is 20% so 20% of the total students don't take the school bus.
B. The ratio of students who take the school bus to those who do not is 4:1
Y = 8/cos60 = 16
x = sqr(16^2 + 8^2) = 8sqr(3) = 13.86 approx
Plug it into a graphing calculator and see where the function crosses the x-axis. Since it’s a quadratic it will cross it two times but one of the answers is negative—obviously it wouldn’t take negative second to hit the ground. It should take 9 seconds for the object to hit the ground.
Answer:
8.25 because i did the work and got it right
Step-by-step explanation:
1:2
because red:black = 10:20 and simplifies to 1:2