Answer:
The answer could be A
Step-by-step explanation:
Got this from another Brainly user
Answer:
Step-by-step explanation:
ignore the "at the instant the man is 30 feet away" part, set it as X and the man's shadow as Y.
Similar triangles so we can do
.
Solve for it we get 44y = 6x
Differentiate relative to time t, we get 44y' = 6x'.
change in x (x') is equal to 5. And we get the answer y' =
.
the
ft/sec is the rate of which the length of the shadow is changing. add 5 to it for the rate of the tip of his shadow moving away from the tower.
Answer: The answer here is 45* because all you need to do is 180-72-63 then BAM you get your answer :)
Answer: 140
Step-by-step explanation: It doesn't change because they arethe same proportional angle.
Answer:
193.54166618
Step-by-step explanation: