Answer:
she should use 2 cups of peanut butter
Step-by-step explanation:
to know the answer to that
use this equation (pb is peanut butter &o is oil)
1cup of pb=1/2 cup of o
?=1 cup of o
1×1÷1/2= 1×1×2/1=2co cups of pb
1. Use the FOIL method (x+9)(x+9)
First, outer, inner, last
![x^{2} +9x+9x+81](https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20%2B9x%2B9x%2B81)
Add your like terms
![x^{2} +18x+81](https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20%2B18x%2B81)
2. When you add or subtract polynomials you add or subtract the like terms and then put them in order from largest to smallest exponents.
3.
![-5x(5 x^{3} +10 x^{2} -6x+3)](https://tex.z-dn.net/?f=-5x%285%20x%5E%7B3%7D%20%2B10%20x%5E%7B2%7D%20-6x%2B3%29)
4. Since it is the perimeter, we add the 3 together.
![(2 x^{2} +4x-3)+(-3 x^{2} -3)+(5x+19)](https://tex.z-dn.net/?f=%282%20x%5E%7B2%7D%20%2B4x-3%29%2B%28-3%20x%5E%7B2%7D%20-3%29%2B%285x%2B19%29)
Add the like terms together:
![2 x^{2} +(-3 x^{2} )=- x^{2} \\ 4x+5x=9x \\ -8+(-3)+19=8](https://tex.z-dn.net/?f=2%20x%5E%7B2%7D%20%2B%28-3%20x%5E%7B2%7D%20%29%3D-%20x%5E%7B2%7D%20%20%5C%5C%204x%2B5x%3D9x%20%5C%5C%20-8%2B%28-3%29%2B19%3D8)
Put them in order of exponents
![- x^{2} +9x+8](https://tex.z-dn.net/?f=-%20x%5E%7B2%7D%20%2B9x%2B8)
Hope this helps
Answer: The answer is 13/54
Step-by-step explanation:
52 people out of 216 do not want the stadium, so the fraction would be 52/216. 52/216 simplified would be 13/54.
Answer:
no mode , 6 , 6.24
Step-by-step explanation:
Answer:
![x^2-8x=0](https://tex.z-dn.net/?f=x%5E2-8x%3D0)
Step-by-step explanation:
the quadratic function should be as follows:
![x^2-8x=0](https://tex.z-dn.net/?f=x%5E2-8x%3D0)
Now let's confirm that the zeros of the function are 0 and 8
![x^2-8x=0=x(x-8)=0](https://tex.z-dn.net/?f=x%5E2-8x%3D0%3Dx%28x-8%29%3D0)
Therefore we can see that if x = 0
![0^2*8*0=0\\0=0](https://tex.z-dn.net/?f=0%5E2%2A8%2A0%3D0%5C%5C0%3D0)
the equation is fulfilled
And we also have ![(x-8)](https://tex.z-dn.net/?f=%28x-8%29)
for this expresion to be equal to zero:
![x-8=0\\x=8](https://tex.z-dn.net/?f=x-8%3D0%5C%5Cx%3D8)
thus, if x = 8
![8^2-8*8=0\\64-64=0\\0=0](https://tex.z-dn.net/?f=8%5E2-8%2A8%3D0%5C%5C64-64%3D0%5C%5C0%3D0)
the equation is also fulfilled
The zeros of the quadratic function
are 0 and 8.