Books written by Irving Drooyan
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Elementary Algebra for College Students
Three nickels e . n nickels f . ( n − 2 ) nickels Ans . 5 ( 3 ) or 15 cents Ans . 5n cents Ans . 5 ( n − 2 ) cents 11. In a collection of coins there are four more dimes than quarters . If x represents the number of quarters ...
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Elementary Algebra: Equations and Graphs
She needs $ 200 per week for living expenses . a . How much of Salewa's savings will be left after 3 weeks ? After 12 weeks ? b . Describe in words how you calculated your answers to part a . c . Fill in Table 1.16 . d .
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Elementary Algebra for College Students
This elementary algebra text presents explanations to promote conceptual understanding over the repeated application of algorithms. Understanding is stressed over computational skills and emphasis is placed on modelling, problem-solving, interpretation...
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Elementary Algebra for College Students
Elementary Algebra for College Students
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Intermediate Algebra
For decades students have mastered essentials of intermediate algebra with this textbook's straightforward, no-nonsense approach.
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Modeling, Functions, and Graphs: Algebra for College Students
Modeling, Functions, and Graphs: Algebra for College Students
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Modeling Functions and Graphs
This highly effective text incorporates the benefits of technology and the philosophy of the reform movement into intermediate algebra.
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Essentials of Trigonometry
Essentials of Trigonometry