Positive. Two negatives make a positive. I hope this helps :)
The length is going to equal four times the width plus two, as the situation states.
L(w) = 4w + 2
Answer:
1/8 room
Step-by-step explanation:
(3/4 roll)/(6 rolls/room) = (3/4)(1/6) rooms = 1/8 rooms
With 3/4 roll of wire, the electrician can wire 1/8 of a room.
We see that is a rectangle+1/2 circle
area of circle=pir^2
area of rectangle=LW or LH or something
aera of recctangle=2 times 1.5=3
area of half cirlce=1/2 times 3.14 times 1.5^2=1.57 times 2.25=3.5325
add
3+3.5325=6.5325 ft^2
area=6.5325 ft^2
round if nececary