Answer:
IIf it takes 8 seconds to move 2 feet, then it takes 4 seconds to move 1 foot
She is already 20 feet below sea level meaning she only needs 30 more feet to reach 50 ft below sea level.
tto figure out the amount of time it will take her to descend 30ft you multiply 30(distance) x 4(time)
tthe answer is 120
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:
Answer:
2.35 yards/second or 7.07 ft/second
Step-by-step explanation:
The distance to be covered is 55 yards.
The casting cools at the rate of
and the temperature must not be allowed to cool more than
.
We know that, 
By the time, the temperature reaches
, it will take about,
, so it will take about 23.33 seconds.
Also, 55 yards = 
So the minimum speed that conveyor must move is,

Hence, the speed of conveyor is 7.07 feet per second.
Answer:
The tree is 14 ft. tall.
Step-by-step explanation:
If Ryan is 6 ft. tall and his shadow is 12 ft. tall than his shadow is twice his size. So if the trees shadow is 28 ft. tall then you would divide. Here is the equation:
28 ÷ 2 = 14
To check our work you would do 14 * 2 = 28.
Hope this helps!!