The equation of the blue line will be
y = 4x -3
Answer:
350 square feet
Step-by-step explanation:
We are given that
Width of strip=6 in
Dimension of rectangle=![20 ft\times 230 ft](https://tex.z-dn.net/?f=20%20ft%5Ctimes%20230%20ft)
We know that
Area of rectangle ,A=xy
Differentiate
![dA=\frac{\partial A}{\partial x}x+\frac{\partial A}{\partial y}y](https://tex.z-dn.net/?f=dA%3D%5Cfrac%7B%5Cpartial%20A%7D%7B%5Cpartial%20x%7Dx%2B%5Cfrac%7B%5Cpartial%20A%7D%7B%5Cpartial%20y%7Dy)
We have ![\frac{\partial A}{\partial x}=y=230 ft](https://tex.z-dn.net/?f=%5Cfrac%7B%5Cpartial%20A%7D%7B%5Cpartial%20x%7D%3Dy%3D230%20ft)
![\frac{\partial A}{\partial y}=x=120](https://tex.z-dn.net/?f=%5Cfrac%7B%5Cpartial%20A%7D%7B%5Cpartial%20y%7D%3Dx%3D120)
![dx=\frac{12}{12}=1 ft](https://tex.z-dn.net/?f=dx%3D%5Cfrac%7B12%7D%7B12%7D%3D1%20ft)
1 ft=12 in
Because 6 in added in both side of breadth
dy=![\frac{12}{12}=1 ft](https://tex.z-dn.net/?f=%5Cfrac%7B12%7D%7B12%7D%3D1%20ft)
Because 6 in added on both sides of length of rectangle
Substitute the values
![dA=230\times 1+120\times 1=350 ft^2](https://tex.z-dn.net/?f=dA%3D230%5Ctimes%201%2B120%5Ctimes%201%3D350%20ft%5E2)
Hence, the number of square feet of paint in the strip=350 square feet
Answer:
56.54866776
Step-by-step explanation:
:) Hope this helps
Answer:
2) PT
Step-by-step explanation:
Triangle designations QTP and SPT both include points P and T. They have a common side PT.