Answer: 144 inches.
Step-by-step explanation:
1. To solve this problem you must remember the formula for calculate the perimeter of a rectangle, which is shown below:
![P=2l+2w](https://tex.z-dn.net/?f=P%3D2l%2B2w)
Where
is the lenght and
is the width.
2. You know the perimeter and the width, then you can solve for the length, as following:
![P-2w=2l\\l=\frac{P-2w}{2}\\l=\frac{(528in)-(2*120in))}{2}\\l=144in](https://tex.z-dn.net/?f=P-2w%3D2l%5C%5Cl%3D%5Cfrac%7BP-2w%7D%7B2%7D%5C%5Cl%3D%5Cfrac%7B%28528in%29-%282%2A120in%29%29%7D%7B2%7D%5C%5Cl%3D144in)
Answer:
It takes 6 hours for both to reach an equal paid.
Step-by-step explanation:
You have to form an expressions in terms of x where x determine the number of hours :
Option 1,
$(30 + 9x)
Option 2,
$(14x)
Next, you have to compare it since they want to find out how many hours they work until they reach the same amount :
30 + 9x = 14x
30 = 14x - 9x
30 = 5x
5x = 30
x = 30÷5
x = 6
Craming last minute can lead to unecessary confusion however most examinars dont allow asking questions during exam
So if asking questions for clarification is allowed. A) is the odd one out
And these options are rather for test taking than learning
Answer:
Step-by-step explanation:
Using the perimeter of a rectangle, it is found that she can make a deck of 122 ft wide.
<h3>What is the perimeter of a rectangle?</h3>
The perimeter of a rectangle of length l and width w is given by:
![P = 2(l + w)](https://tex.z-dn.net/?f=P%20%3D%202%28l%20%2B%20w%29)
In this problem:
- She has enough wood to build a deck that is 280ft, hence P = 280.
- The length is of 10 feet, hence l = 10.
- Considering that the deck's width will be added to the actual width of 8 feet, we have that w = 8 + w.
Then:
![P = 2(l + w)](https://tex.z-dn.net/?f=P%20%3D%202%28l%20%2B%20w%29)
![280 = 2(10 + 8 + w)](https://tex.z-dn.net/?f=280%20%3D%202%2810%20%2B%208%20%2B%20w%29)
![36 + 2w = 280](https://tex.z-dn.net/?f=36%20%2B%202w%20%3D%20280)
![2w = 244](https://tex.z-dn.net/?f=2w%20%3D%20244)
![w = \frac{144}{2}](https://tex.z-dn.net/?f=w%20%3D%20%5Cfrac%7B144%7D%7B2%7D)
![w = 122](https://tex.z-dn.net/?f=w%20%3D%20122)
She can make a deck of 122 ft wide.
You can learn more about the perimeter of a rectangle at brainly.com/question/10489198