Answer:
The perimeter is 1280ft
Step-by-step explanation:
Let the side length of the square be s.
Then the distance around three sides is 3s.
According to the question the distance around 3 sides of a square city block is 960 feet.
This implies that:



The perimeter of a square is

Substitute s=320 to get:


The perimeter is 1280 ft
In order to rationalize the denominator of each expression, we need to multiply the expression by the same radical in the denominator, this way we can remove the radical from the denominator.
9)

10)

11)

12)
4 sheets cost $14
2 sheets cost $7
1 sheet costs $3.5
1/2 sheet costs $1.75
answer:
11 1/2 sheets cost $40.25
The scale length is 9cm and the scale is 6cm/15ft which is 3cm/5ft, so we can say:
9cm(5ft/3cm)=15ft for the length
If you wanted the width too...
4cm(5ft/3cm)=20ft/3 (6'8", 6ft 8in)
Answer:
Step-by-step explanation:
put x = 3 and y = 6 in (x+3,y-2) so it becomes (6,4)