
Concept explainers
(a)
To make: a table showing the number of cubes
(a)

Answer to Problem 7E
Figure no. | 1 | 2 | 3 |
No. of cubes | 8 | 12 | 16 |
Explanation of Solution
Given:
Calculation:
From the figures above, the number of cubes can be counted in each figure.
Cubes in figure 1 = 8
Cubes in figure 2 = 12
Cubes in figure 3 = 16
The following TABLE is the solution
Figure no. | 1 | 2 | 3 |
No. of cubes | 8 | 12 | 16 |
Conclusion:
Therefore, a table showing the number of cubes is drawn.
(b)
To write: a rule for the number of cubes
(b)

Answer to Problem 7E
The rule will be
Explanation of Solution
As we progress to next figure, 4 cubes are added to previous one
Since, we start with 8 cubes and add 4 on every next.
Number of cubes in nth figure
Thus, using above rule,
Cubes in figure
Cubes in figure
Cubes in figure
Conclusion:
Therefore, the rule will be
(c)
To write: the number of cubesin the tenth figure
(c)

Answer to Problem 7E
Here,
Explanation of Solution
Building upon rule obtained in previous part, we find that,
Cubes in
Thus,
Conclusion:
Thus,
Chapter 0 Solutions
Pre-Algebra Student Edition
Additional Math Textbook Solutions
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
University Calculus: Early Transcendentals (4th Edition)
Calculus: Early Transcendentals (2nd Edition)
Introductory Statistics
Elementary Statistics: Picturing the World (7th Edition)
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