3 years ago

What is two over eight minus 1 over 2

Mathematics

2 answers:

Vika [28.1K]3 years ago

4 0

I’m pretty sure it’s -0.25

avanturin [10]3 years ago

3 0

The answer is -1/4 I’m in 11th grade trust me

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Beth wants to plant a garden at the back of her house. She has 32m of fencing. The area that can be enclosed is modelled by the

Maksim231197 [3]

Answer:

The maximum area that can be obtained by the garden is 128 meters squared.

Step-by-step explanation:

A represents area and we want to know the maximum.

$A(x)=-2x^2+32x$ is a parabola. To find the maximum of a parabola, you need to find it's vertex. The y-coordinate of the vertex will give us the maximum area.

To do this we will need to first find the x-coordinate of our vertex.

$x=\frac{-b}{2a}{/tex] will give us the x-coordinate of the vertex.Compare [tex]-2x^2+32x$ to $ax^2+bx+c$ then $a=-2,b=32,c=0[tex].So the x-coordinate is [tex]\frac{-(32)}{2(-2)}=\frac{-32}{-4}=8$ .