Concept explainers
a.
a.

Answer to Problem 35E
Explanation of Solution
Given:
The distance from the Baja Peninsula of Mexico to Alaska =
The speed of the whales =
Concept Used:
Consider the formula of speed-distance-time:
Calculation:
As per the question,
The speed of the whales =
Consider,
Then, the total distance travelled by the whales in
That is,
Hence,
Conclusion:
b.
Complete the given table
b.

Answer to Problem 35E
Explanation of Solution
Given:
Consider the equation,
Consider the table provided in the question,
Calculation:
As per the given problem
Consider the equation,
Where
1. Substitute the value
Hence,
The distance travelled in
2. Substitute the value
Hence,
The distance travelled in
3. Now, substitute the value
Hence,
The distance travelled in
4. Now, substitute the value
Hence,
The distance travelled in
5. Now, substitute the value
Hence,
The distance travelled in
6. Now, substitute the value
Hence,
The distance travelled in
Writing in tabulated form,
Conclusion:
The completed table is as follows:
c.
Create a
c.

Answer to Problem 35E
The scatter plot represents a straight line,
Explanation of Solution
Given information:
The table is as follows:
The time is to be plotted along x-axis and distance to be plotted along y-axis.
Graph :
Interpretation :
The scattered plot of the data represents a straight-line graph , that is with days the distance travelled also increases.
d.
Create a scatter plot of the data in the table
d.

Answer to Problem 35E
The scatter plot represents a straight line,
Explanation of Solution
Given information:
The table is as follows:
The time is to be plotted along x-axis and distance to be plotted along y-axis.
Graph :
As per the question, to extend the plot,
Consider
So, substitute distance =
Dividing both sides by 100,
Therefore,
Taking values of
For
For
Tabulating the data,
Plotting the graph,
Interpretation :
The whales take 50 days to migrate from the Baja Peninsula of Mexico to Alaska.
e.
To solve the equation
e.

Answer to Problem 35E
Explanation of Solution
Given:
Consider the equation provided in the question:
Concept Used:
Multiplicative property of equality.
Calculation:
As per the question,
Dividing both sides by
Therefore,
Conclusion:
Chapter 2 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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