Answer:
Step-by-step explanation:
l = 14
Step-by-step explanation:
The perimeter of a rectangle is
P =2(l+w)
The width is x-6
w = x-6
The length is 8 units longer than the width
l = w+8
l = x-6+8
l = x+2
We can substitute this into the equation for Perimeter, which is given as 40
40 = 2(x+2 + x-6)
Combine like terms
40 =2 (2x-4)
Divide by 2
40/2 = 2/2 (2x-4)
20 = 2x-4
Add 4 to each side
20+4 =2x-4+4
24 = 2x
Divide by 2
24/2 =2x/2
12=x
We want to know the length
l = x+2
l =12+2
l = 14
Answer:
i personally think the 65 in. one
Step-by-step explanation:
Answer:
2.35 yards/second or 7.07 ft/second
Step-by-step explanation:
The distance to be covered is 55 yards.
The casting cools at the rate of and the temperature must not be allowed to cool more than .
We know that,
By the time, the temperature reaches , it will take about,
, so it will take about 23.33 seconds.
Also, 55 yards =
So the minimum speed that conveyor must move is,
Hence, the speed of conveyor is 7.07 feet per second.
First, find the perimeter of the rug.
P=3.6 + 3.6 + 1.98 + 1.98 = 11.16 m
Second, find the perimeter of the table.
P=1.07 + 1.07 + 0.39 + 0.39 = 2.92 m
Third, subtract the are of the perimeter of the table from the perimeter of the rug.
11.16 m - 2.92 m = 8.24 m
So the answer is A. 8.24m