Answer:12
Step-by-step explanation:
it’s 12 because 4 x 3 = 12
Quadratic formula: (-b +/- sqrt(b^2 - 4ac)) / 2a
a = 10
b = -1
c = 9
1 +/- sqrt((-1)^2 - 4(10)(9)) / 2(10)
1 +/- sqrt(1 - 360) / 20
x = 1 +/- sqrt(359i) / 20
Hope this helps!
Answer:
It will take 5/12 hours.
Step-by-step explanation:
Given,
The speed of turtle =
km per hour,
Distance covered =
km,
Since,


Hence, the speed of turtle = 
hour.
The answer to your problem is that Marisol’s shadow would be 144 feet long