Concept explainers
a.
To formulate the equation for barometric pressure
a.
Answer to Problem 41PPS
Explanation of Solution
Given:
Barometric pressure: 598 millimetres of mercury at altitude 1.8 kilometres
577 millimetres of mercury at 2.1 kilometres
Formula used:
Slope,
Calculation:
Let x denote the altitude and y denote the barometric pressure.
Find the slope using the formula,
Equation is slope-intercept form is
Rewriting the above equation in terms of barometric pressure and altitude,
Conclusion:
Therefore, the formula for barometric pressure is
b.
To calculate the altitude
b.
Answer to Problem 41PPS
0.957
Explanation of Solution
Given:
From subpart (a),
The barometric pressure is 657 millimetres of mercury.
Calculation:
From subpart (a),
Given that the barometric pressure is 657 millimetres of mercury,
Substituting above values in the equation,
Conclusion:
Therefore, the altitude is 0.957.
Chapter 4 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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