50% is equal to the so we can easily divide 9 by 2 to get your answer 4.50 there is no hundreths for it is a clean divide (4.5×2=9)
Answer is in a photo. i couldn’t attach it here, good luck!
Answer:
£840
Step-by-step explanation:
800 × 1.05 = 840
(1.05 Is the decimal multiplier = (100% + 5%)/100)
X = 97.5
100 -> 200 by multiplying by 2 so divide 195 by 2.
<h2>The y-value of the vertex is 49</h2>
Step-by-step explanation:
Given, ![f(x)=-(x-3)(x+11)](https://tex.z-dn.net/?f=f%28x%29%3D-%28x-3%29%28x%2B11%29)
![f(x)=-x^{2} -8x+33](https://tex.z-dn.net/?f=f%28x%29%3D-x%5E%7B2%7D%20-8x%2B33)
The vertex of the parabola
occurs at
.
For the given parabola, ![a=-1,b=-8,c=33](https://tex.z-dn.net/?f=a%3D-1%2Cb%3D-8%2Cc%3D33)
So, vertex occurs at ![x=\frac{-(-8)}{2(-1)}=-4](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B-%28-8%29%7D%7B2%28-1%29%7D%3D-4)
At this point ![f(x)=-(-4-3)(-4+11)=7*7=49](https://tex.z-dn.net/?f=f%28x%29%3D-%28-4-3%29%28-4%2B11%29%3D7%2A7%3D49)
∴ At vertex, y-value of
is 49.