Let x = the length of the rectangle
Let w= the width
Two sections are required, hence 2w of fence required
2x+3w=500
this can be written as:
3w=1500-2x
w=(1500-2x)/3
Area=x*w
replacing w with our expression:
A=x(1500-2x)/3
A=(500x-2x^2)/3
This is a quadratic equation, if we find the axis of symmetry we will know what value of x gives maximum area:
Axis of symmetry: x=-b/2a
From our equation we get:
a=-2/3; b=1500/3
thus
x=(1500/3)/(-(-2/3))
x=750
thus the maximum area will be given by length of 750
Answer:
B.
Step-by-step explanation:
Answer:
units
Step-by-step explanation:
The diagonals of a parallelogram bisect each other.
From the diagram, the half of the diagonal measure 5x units and 6x-8 units.
This halves must be equal in length.
Group similar terms to get:
Simplify to get:
1 adult per 10 students totally of 477 students
477/10 = 47.7 adult
can't have a .7 of an adult so round up or down to 47/48
7 + 6 = 13
She has 13/20 markers.
The answer is 13 markers.
HOPE THIS HELPED
:)