Concept explainers
(a)
What is an algebraic expression for the volume of the box? Write an equation that relates this expression to the given volume 355
(a)
Answer to Problem 1MP
Explanation of Solution
Given:
What is an algebraic expression for the volume of the box? Write an equation that relates this expression to the given volume 355
The figure:
Concept Used:
The volume of rectangular box is:
Calculation:
Given volume =355
Required equation:
Thus,
(b)
Solve for w in the equation from part (a).
(b)
Answer to Problem 1MP
Explanation of Solution
Given:
Solve for w in the equation from part (a).
The figure:
Concept Used:
Required equation:
Calculation:
Required equation:
Thus,
(c)
Write an expression in terms of x and w to represent the surface area of the lunch box.
(c)
Answer to Problem 1MP
Explanation of Solution
Given:
Write an expression in terms of x and w to represent the surface area of the lunch box.
The figure:
Concept Used:
Calculation:
Thus,
(d)
Substitute for w in the expression for the surface area of the lunch box, using your result from part (b). Simplify the expression.
(d)
Answer to Problem 1MP
Explanation of Solution
Given:
Substitute for w in the expression for the surface area of the lunch box, using your result from part (b). Simplify the expression. The figure:
Concept Used:
Calculation:
Thus,
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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