Answer:
Width = 12 feet
Length = 20 feet
Step-by-step explanation:
The area of a rectangle is A = l*w. Here the length is 8 feet more than the width or 8 + w and the width is w. So the area is A = w(8+w) = 8w + w²
If the dimensions are changed then the expressions will change. The width is increased by 4 feet. This means the width w becomes w + 4. The length is decreased by 5 feet. This means the length becomes 8 + w - 5 = 3 + w. So the area of the new triangle is A = (w+4)(3+w) = w² + 7w + 12.
Since the areas are the same, set them equal to each other and solve for w.
w² + 7w + 12 = 8w + w² Subtract w² from both sides.
7w + 12 = 8w Subtract 7w from both sides.
12 = w
The original width w is 12 feet. This means the original length which was 8 + w = 8 + 12 = 20 feet.
Answer:
on which days did it rain less then one-fifth of an inch
Step-by-step explanation:
Answer:
1218
(14x25)x3=1050
because you have three sides
14x12=168 then 168+168=336
then add al together 1050+336=1 386
![- 3.0 \\ - 5.4 \\ = 8.4](https://tex.z-dn.net/?f=%20-%203.0%20%5C%5C%20%20-%205.4%20%5C%5C%20%20%3D%208.4)
For the first one, you take the original temprature -3.0° and add -5.4° which gives you an answer of -8.4°c :)
![3.00 + 5.50 = 8.50 \\ 8.50 \times 7 = 59.50](https://tex.z-dn.net/?f=3.00%20%2B%205.50%20%3D%208.50%20%5C%5C%208.50%20%5Ctimes%207%20%3D%2059.50)
for the second you add the amount for breakfast and lunch, then multiply by 7 days