Concept explainers
Here we celebrate the power of algebra as a powerful way of finding unknown quantities by naming them, of expressing infinitely many relationships and connections clearly and succinetly, and of uncovering pattern and structure.
Two temps. At midnight last night, points A and B on the surface of Earth had exactly the same temperature and barometric pressure. If we treat the values of T and P as numbers without units, the values satisfy the equations
Find the values of T and P.
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The Heart of Mathematics: An Invitation to Effective Thinking
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