For this case we must find

By definition we have to:

We have the following functions:

Now, applying the given definition, we have:

Answer:

X=width of the lake
y=length of the lake.
we set out this system of equiations
x*y=9/20
x=y/5
we solve by sustitution method
(y/5)*y=9/20
y²/5=9/20
y²=(5*9)/ 20
y²=2.25
y=√2.25=1.5
x=y/5
x=1.5/5=0.3
Solution:
width of the lake=0.3 miles
lenght of the lake=1.5 miles
Answer:
slope = 3
Step-by-step explanation:
Use the coordinates of the points to determine the slope.
Answer:
A. <u><em>X = 15</em></u> is the correct answer.
Step-by-step explanation:
It's the only one that really makes sense.
Hope this helped :)