SOLUTION: the area of a rectangular field is 1200 m^2. two parallel sides are fenced with aluminum at $20/m. the remaining two sides are fenced with steel at $10/m. the total cost is $2200
Algebra.Com
Question 135538: the area of a rectangular field is 1200 m^2. two parallel sides are fenced with aluminum at $20/m. the remaining two sides are fenced with steel at $10/m. the total cost is $2200
a. what is the length of each side fenced with aluminum?
b. what is the length of each side fenced with steel?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Call the length of a side fenced with aluminum
Call the length of a side fenced with steel
m2
The total length of aluminum fence =
The total length of steel fence =
Use the quadratic formuala
If , then and
----------------------
If , then
----------------------
The length of each side fenced with aluminum can be 40 m and the
length of a side fenced with steel will be 30 m
-----------------------
The length of the side fenced with aluminum can also be 15 m and
the length of a side fenced with steel will be 80 m
RELATED QUESTIONS
The area of a rectangular field is 1200m^2. Two parallel sides are fenced with aluminum... (answered by checkley77,ankor@dixie-net.com)
The area of a rectangular field is 1000 yd2.Two parallel sides are fenced with aluminum... (answered by ankor@dixie-net.com)
A rectangular garden bounded on one side by a river is to be fenced on the other three... (answered by ankor@dixie-net.com)
I need help solving a quadratic equation.
The area of a field shaped like a right... (answered by mananth)
A rectangular field is 64 m X 25 m. Shawn wants to fence a square field that has the... (answered by checkley79)
if the area of a trapezium is 28 m*m and two parallel sides are 8 m and60 dm... (answered by mananth)
A rectangular lot is to be bounded by a fence on three sides and by a wall on the fourth... (answered by ankor@dixie-net.com)
a rectangular field having area of 720 sq.m to be fenced on three sides of 40 m... (answered by vicgonzerx)
A rectangular animal pen with area 1200 m^2 has one side along a barn. The other three... (answered by checkley75)