Answer: 3x-26y+11z
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given
height of two Poles are 60 and 80 ft
Distance between them is 100 ft
Let x be the distance of Pole of ht 80 ft from Point of stretch
thus length of rope is given by




differentiate w.r.t x we get

Put
to get minimum value

squaring

Rearranging


thus 

A is your answer! Because of how many sides it has.
Can you give some specifics so I can answer your question please?
Since one kilometer is equal to about 0.621 miles, a runner travels 3.105 miles in a five-kilometer race.