Answer:
b. t = 10.5 seconds.
Step-by-step explanation:
l = 0.81t^2
90 = 0.81t^2
t^2 = 90 / 0.81
t^2 = 111
t = 10.5 seconds.
Answer:100
Step-by-step explanation:im not sure but I think it’s 100
Answer:
slow down plz
Step-by-step explanation:
there ain't no way that is ur work
Answer:
s>885 (km/h)
Step-by-step explanation:
Since 885 is not a part of the inequality and the new aircrafts' speeds are greater than 885, speed s>885.
y=a.(X-x1)(X-x2)
x1 and x2 are x-intercepts
x1=-3
x2=1
other points: (-1,8) and (0,5)
y=a.(x+3).(x-1)
a=-2
f(x)= -2.(x+3)(x-1)
