Answer:
43.17 ft/s
Step-by-step explanation:
Let the height of the wall is y.
distance of wall from light is 20 feet.
y = 20 tanθ .... (1)
time period, T = 3 second

Differentiate equation (1) with respect to t.


dy/dt = 20 x 2.16
dy/dt = 43.17 ft/s
Answer:
Step-by-step explanation:
5(x-3)<20
5x-15<20
5x<35
x<7
60.8 is 64% of 95.
Step-by-step explanation:
Given number is;
95
We have to find at what percent, the value is 60.8
Let x be the percent.
Therefore;
x% of 95 = 60.8

Dividing both sides by 0.95

60.8 is 64% of 95.
Keywords: percent, division
Learn more about division at:
#LearnwithBrainly
Answer:
׳+3ײ-72×-324
Step-by-step explanation:
I hope it help