Answer:
Length = 30
Width = 5
Step-by-step explanation:
So the formula for perimeter is
P = 2L+2W
And we know that:
L = 6W
So then we put in all the information that we do know
70 = 2(6W)+2W
And pop that into a calculator and you get W=5
So now we put that information into L = 6W to get:
L = 6×5
L = 30
Answer:

Step-by-step explanation:
Given

Required
Represent the diagonal as a function
Using Pythagoras theorem, the diagonal is:

Substitute x for Side


Take the square root of both sides

Split



Express as a function.

Answer:
This is not question but I think the question might be what the total cost is 95.50
Step-by-step explanation:
The answer is B. -x^3+2x^2-3x+10