ANSWER
72 square feet
EXPLANATION
The perimeter of a rectangle is given by:
P= 2l+2w
It was given that, the perimeter of the rectangular mat, is 36 feet.
36= 2l+2w
Divide through by 2.
![18 = l + w...(1)](https://tex.z-dn.net/?f=18%20%3D%20l%20%2B%20w...%281%29)
It was given also that, the length of the mat is twice its width.
This implies that,
![l = 2w ...(2)](https://tex.z-dn.net/?f=l%20%3D%202w%20...%282%29)
Put equation (2) into equation (1) to get,
![18 = 2w + w](https://tex.z-dn.net/?f=18%20%3D%202w%20%2B%20w)
![18 = 3w](https://tex.z-dn.net/?f=18%20%3D%203w)
![w = 6 \: ft](https://tex.z-dn.net/?f=w%20%3D%206%20%5C%3A%20ft)
This means that the length is 12 ft.
The area of the rectangular mat is
![A = l \times w](https://tex.z-dn.net/?f=A%20%3D%20l%20%5Ctimes%20w)
Answer:
y intercept is 3 and slope is 4/1
Step-by-step explanation:
Answer:
The equation 2d + 18 = 24 can help find the number of days Jerry has been doing sit-ups.
Step-by-step explanation:
During the first day, Jerry did 18 sit-ups, and he proceeded to do 2 more sit-ups each following day, so the expression to represent this situation is 2d + 18. Because he did 24 sit-ups today, to find the number of days he did sit-ups, the equation to solve is 2d + 18 = 24.
We know that <span>Isreal has 575779 ducks and Tyier has 585869698 ducks . To find how many they have in total we have to add them.
</span>
575779+585869698=586445477
Answer:
11 is one of the factors! The orange divisor(s) above are the prime factors of the number 990. If we put all of it together we have the factors 2 x 3 x 3 x 5 x 11 = 990.
Step-by-step explanation: