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Concept explainers
(a)
To write: An algebraic expression to represent the number of times shadow is shown in
(a)
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Answer to Problem 44PPS
Thealgebraic expression is
Explanation of Solution
Given information:
It is given that the most famous groundhog, Punxsutawney Phil in Pennsylvania sees his shadow
Calculation:
The most famous groundhog, Punxsutawney Phil in Pennsylvania, sees his shadow
The algebraic expression representing the number of times he sees his shadow in
Therefore, the algebraic expression is
(b)
To check: The given scenario is true of false for the given conditional statement.
(b)
![Check Mark](/static/check-mark.png)
Answer to Problem 44PPS
Thetrue or false is shown in table (1).
Explanation of Solution
Given information:
The statement are“if Groundhog sees its shadow, then there will be 6 more weeks of winter” and “if it does not see its shadow, then there will be an early spring.”
Calculation:
On Groundhog day, if Groundhog sees his shadow, then there will be 6 more weeks of winter. If it does not see his shadow, then there will be an early spring.
According to the given statement the following table is completed.
Sees his shadow or not | 6 more weeks of winter or an early spring | True or false |
Shadow | Winter | True |
Shadow | Spring | False |
No Shadow | Winter | False |
No Shadow | Spring | True |
Table (1)
Hence, the true or false is shown in table (1).
(c)
The situations listed in the table could be considered as a counterexample to the original statement.
(c)
![Check Mark](/static/check-mark.png)
Answer to Problem 44PPS
Thesecond and third situations explain the counterexample for the given statements.
Explanation of Solution
Given information:
The statement are “if Groundhog sees its shadow, then there will be 6 more weeks of winter” and “if it does not see its shadow, then there will be an early spring.”
Calculation:
Consider the first statement.
“If Groundhog sees its shadow, then there will be 6 more weeks of winter.”
One counter example to this statement from the table is as follows.
“If Groundhog sees his shadow, then there will be an early spring” according to second row of table (1).
Consider the second statement.
“If it does not see its shadow, then there will be an early spring.”
One counter example to this statement from the table is as follows.
“If Groundhog sees its shadow, then there will be 6 more weeks of winter” according to third row of table (1).
Chapter 1 Solutions
Algebra 1
Additional Math Textbook Solutions
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