Answer:
t = 9 s
Step-by-step explanation:
A stone is thrown downward with an intitial velocity of 29.5 m/sec will travel a distance of a meters, where

We need to find when the stone will hit the ground. It means when s(t) = 0. So,

So, the stone will take 9 seconds to hit the ground. Hence, this is the required solution.
Answer:
3.6
Step-by-step explanation:
30%×12= 3.6
30%=0.3
Answer:
170.
Step-by-step explanation:
The number of cell phones = 68 * 3/2
= 102.
Total = 102 + 68
= 170 phones.
The formula for area of a square is Area = side^2.
You are given the area, so now you have 97,818 = Side^2.
To find Side, take the square root of both sides:
Side = √97818
Side = 312.76 miles.
Rounded to the nearest mile is 313 miles.