Kimmy would pay $148 to feed 16 people.
9.25 x 16 = 148
all together she would pay $268
148 + 120
Answer:
She gets there at 12:00.
PLEASE MARK AS BRAINLESS!!!!
Step-by-step explanation:
So if it is 200 miles away 50 miles per hour 50 goes into 200 4 times add 4 to 7:00 to get you to 12:00.
Answer:
![\frac{dy}{dx}=-\frac{y}{3y^2+x}](https://tex.z-dn.net/?f=%5Cfrac%7Bdy%7D%7Bdx%7D%3D-%5Cfrac%7By%7D%7B3y%5E2%2Bx%7D)
Step-by-step explanation:
4-xy=y^3
dy/dx=?
![\frac{d(4-xy)}{dx}=\frac{d(y^3)}{dx}\\ \frac{d(4)}{dx}-\frac{d(xy)}{dx}=3y^{3-1}\frac{dy}{dx}\\ 0-(\frac{dx}{dx}y+x\frac{dy}{dx})=3y^2\frac{dy}{dx}\\ -(1y+x\frac{dy}{dx})=3y^2\frac{dy}{dx}\\ -(y+x\frac{dy}{dx})=3y^2\frac{dy}{dx}\\ -y-x\frac{dy}{dx}=3y^2\frac{dy}{dx}](https://tex.z-dn.net/?f=%5Cfrac%7Bd%284-xy%29%7D%7Bdx%7D%3D%5Cfrac%7Bd%28y%5E3%29%7D%7Bdx%7D%5C%5C%20%5Cfrac%7Bd%284%29%7D%7Bdx%7D-%5Cfrac%7Bd%28xy%29%7D%7Bdx%7D%3D3y%5E%7B3-1%7D%5Cfrac%7Bdy%7D%7Bdx%7D%5C%5C%200-%28%5Cfrac%7Bdx%7D%7Bdx%7Dy%2Bx%5Cfrac%7Bdy%7D%7Bdx%7D%29%3D3y%5E2%5Cfrac%7Bdy%7D%7Bdx%7D%5C%5C%20-%281y%2Bx%5Cfrac%7Bdy%7D%7Bdx%7D%29%3D3y%5E2%5Cfrac%7Bdy%7D%7Bdx%7D%5C%5C%20-%28y%2Bx%5Cfrac%7Bdy%7D%7Bdx%7D%29%3D3y%5E2%5Cfrac%7Bdy%7D%7Bdx%7D%5C%5C%20-y-x%5Cfrac%7Bdy%7D%7Bdx%7D%3D3y%5E2%5Cfrac%7Bdy%7D%7Bdx%7D)
Solving for dy/dx: Addind x dy/dx both sides of the equation:
![-y-x\frac{dy}{dx}+x\frac{dy}{dx}=3y^2\frac{dy}{dx}+x\frac{dy}{dx} \\ -y=3y^2\frac{dy}{dx}+x\frac{dy}{dx}](https://tex.z-dn.net/?f=-y-x%5Cfrac%7Bdy%7D%7Bdx%7D%2Bx%5Cfrac%7Bdy%7D%7Bdx%7D%3D3y%5E2%5Cfrac%7Bdy%7D%7Bdx%7D%2Bx%5Cfrac%7Bdy%7D%7Bdx%7D%20%5C%5C%20-y%3D3y%5E2%5Cfrac%7Bdy%7D%7Bdx%7D%2Bx%5Cfrac%7Bdy%7D%7Bdx%7D)
Common factor dy/dx on the right side of the equation:
![-y=(3y^2+x)\frac{dy}{dx}](https://tex.z-dn.net/?f=-y%3D%283y%5E2%2Bx%29%5Cfrac%7Bdy%7D%7Bdx%7D)
Dividing both sides of the equation by 3y^2+x:
![\frac{-y}{3y^2+x}=\frac{(3y^2+x)}{3y^2+x}\frac{dy}{dx}\\ -\frac{y}{3y^2+x}=\frac{dy}{dx}\\ \frac{dy}{dx}=-\frac{y}{3y^2+x}](https://tex.z-dn.net/?f=%5Cfrac%7B-y%7D%7B3y%5E2%2Bx%7D%3D%5Cfrac%7B%283y%5E2%2Bx%29%7D%7B3y%5E2%2Bx%7D%5Cfrac%7Bdy%7D%7Bdx%7D%5C%5C%20-%5Cfrac%7By%7D%7B3y%5E2%2Bx%7D%3D%5Cfrac%7Bdy%7D%7Bdx%7D%5C%5C%20%5Cfrac%7Bdy%7D%7Bdx%7D%3D-%5Cfrac%7By%7D%7B3y%5E2%2Bx%7D)
322/14 = 23
322 / 14
14 cannot go into 3, so 14 can go into 32 twice,
32-28 = 4 drop the 2
42. 14 can go into 42 3 times
42-42 = 0
Your answer is 23
The line that has a slope of -2/3 is line c