Concept explainers
a.
To Find:A rule that describes a sequence of the given figure.
a.
Answer to Problem 27PPS
The equation for the sequence is
Explanation of Solution
Given information:
Calculation:
Number of beams(n) | 1 | 2 | 3 |
Number of traingles(t) | 3 | 5 | 7 |
The difference of the number of beams is 1, and that of the number of
The pattern in the table shows the equation
b.
To Find:The number of triangles that will be formed for the frame.
b.
Answer to Problem 27PPS
The required number of triangles are 55.
Explanation of Solution
Given information:
The frame of a new office building will use 27 beams
Calculation:
Number of beams (n) | 1 | 2 | 3 |
Number of triangles(t) | 3 | 5 | 7 |
The difference of the number of beams is 1, and that of the number of triangle is 2
The pattern in the table shows the equation
Using the equation to find the number of triangles in 27beams.n= 27
Chapter 8 Solutions
Pre-Algebra, Student Edition
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