Answer:
-1/13 or -0.076923076923077
Step-by-step explanation:
Slope = 
Answer:
21 cm by 21 cm
Step-by-step explanation:
The formula for the area of a square is A = x^2, where x is the length of any one side of the square. Here,
441 cm² = x²
This actually has two roots: {√441, -√441), but since x must be positive here, to be a dimension of the square, we choose +√441, or +21.
The dimensions of the square are 21 cm by 21 cm.
Answer:
c. the slope is 70, representing the old cost
Let
L--------> the length of the rectangle
W-------> the width of the rectangle
we know that
the perimeter of the rectangle is equal to
so
---------> equation 
---------> equation 
Substitute equation in equation
therefore
<u>the answer is the option</u>
2w+2⋅(5w)≤96
<h3>
Answer: x = 10</h3>
Work Shown:
5x-6 = 44
5x-6+6 = 44+6 ... see note 1
5x = 50
5x/5 = 50/5 ... see note 2
x = 10
- note1: We add 6 to both sides to undo the -6
- note2: Divide both sides by 5 to undo the multiplication. Think of 5x as 5*x or "5 times x".
