Answer:
It should be 0.88
Let me know if I'm wrong!
Answer: 9
Step-by-step explanation: so first you remove the ( ) because they’re useless in this then once you remove then Since two opposites add up to zero, remove them from the expression then you only get left with 9.
We have been given an equation of circle
. We are asked to find the center and radius of the circle.
First of all, we will write equation of circle is standard form
, where center of circle is at point (h,k) and radius is r.
Let us complete the square for both x and y.
![x^2+2x+y^2-2y-14+14=0+14](https://tex.z-dn.net/?f=x%5E2%2B2x%2By%5E2-2y-14%2B14%3D0%2B14)
![x^2+2x+y^2-2y=14](https://tex.z-dn.net/?f=x%5E2%2B2x%2By%5E2-2y%3D14)
Adding half the square of coefficient of x and y term, we will get:
![(\frac{2}{2})^2=1^2=1](https://tex.z-dn.net/?f=%28%5Cfrac%7B2%7D%7B2%7D%29%5E2%3D1%5E2%3D1)
![(\frac{-2}{2})^2=(-1)^2=1](https://tex.z-dn.net/?f=%28%5Cfrac%7B-2%7D%7B2%7D%29%5E2%3D%28-1%29%5E2%3D1)
![x^2+2x+1+y^2-2y+1=14+1+1](https://tex.z-dn.net/?f=x%5E2%2B2x%2B1%2By%5E2-2y%2B1%3D14%2B1%2B1)
![(x+1)^2+(y-1)^2=16](https://tex.z-dn.net/?f=%28x%2B1%29%5E2%2B%28y-1%29%5E2%3D16)
![(x-(-1))^2+(y-1)^2=4^2](https://tex.z-dn.net/?f=%28x-%28-1%29%29%5E2%2B%28y-1%29%5E2%3D4%5E2)
Therefore, the center of the circle is
and radius is 4 units.
Answer:
![\boxed{\mathrm{False}}](https://tex.z-dn.net/?f=%5Cboxed%7B%5Cmathrm%7BFalse%7D%7D)
Step-by-step explanation:
![(p-q)^2](https://tex.z-dn.net/?f=%28p-q%29%5E2)
![(p-q)(p-q)](https://tex.z-dn.net/?f=%28p-q%29%28p-q%29)
Use <em>FOIL</em> method.
![p^2-pq-pq +q^2](https://tex.z-dn.net/?f=p%5E2-pq-pq%20%2Bq%5E2)
![p^2-2pq +q^2](https://tex.z-dn.net/?f=p%5E2-2pq%20%2Bq%5E2)
The profit would be the difference between the total amount earned after selling each and every shirt and the costs of buying them so
p(x)= r(x)- c(x)
7x-20?