A fence must be built to enclose a rectangular area of 5000 ft. Fencing material costs $4 per foot for the two sides facing north and south and $8 per foot for the other two sides. Find the cost of the least expensive fence.
The cost of the least expensive fence is $
(Simplify your answer.)

step-by-step explanation:

your mom

50x5=$250

step-by-step explanation:

did you get the answer yet?

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c