About 5 minutes: 60/4=15 then 15*3=45 and so 45/9 is 5 about 5 minutes an application
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Answer:
D. 80 ft
substitute known values into the equation for area
Answer:
A. 2x+5
Step-by-step explanation:
You can solve these by substituting f(x) as the input (or x value) in g(f(x)). This would be putting the 2x in as the "x" in x+5. So 2x+5.
Answer:
A
23/7 times 23/7
Step-by-step explanation:
Answer:
25/3 ft/s
Step-by-step explanation:
Height of pole , h=15 ft
Height of man, h'=6 ft
Let BD=x
BE=y
DE=BE-BD=y-x
All right triangles are similar
When two triangles are similar then the ratio of their corresponding sides are equal.
Therefore,







Differentiate w.r.t t

We have dx/dt=5ft/s
Using the value

Hence, the tip of his shadow moving with a speed 25/3 ft/s when he is 45 feet from the pole.