A Second Course in the New Mathematics |
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Σελίδα v
SAVING TIME BY EQUATIONS AND FORMULAS 26 It is now a natural stepto the solving of equations , and thence to the study of formulas , with an introduction to the function concept by means of graphs . III .
SAVING TIME BY EQUATIONS AND FORMULAS 26 It is now a natural stepto the solving of equations , and thence to the study of formulas , with an introduction to the function concept by means of graphs . III .
Σελίδα 65
This means that the ratio of 9 to 12 is the same as the ratio of 15 to 20. This is true since both ratios equal . A proportion like this is usually read “ 9 is to 12 as 15 is to 20 , " but it would mean exactly the same to say nine ...
This means that the ratio of 9 to 12 is the same as the ratio of 15 to 20. This is true since both ratios equal . A proportion like this is usually read “ 9 is to 12 as 15 is to 20 , " but it would mean exactly the same to say nine ...
Σελίδα 66
80 4 . X = Problems Solved by Proportion . — When one of the - four quantities making up a proportion is lacking we may denote it by some letter such as x . We may then write an equation and solve it by means of the above principle .
80 4 . X = Problems Solved by Proportion . — When one of the - four quantities making up a proportion is lacking we may denote it by some letter such as x . We may then write an equation and solve it by means of the above principle .
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SAVING TIME BY THE | 1 |
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Some Fine Kansas Cattle | 8 |
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Άλλες εκδόσεις - Προβολή όλων
Second Course in the New Mathematics Edward Ira Edgerton,Perry Amherst Carpenter Προβολή αποσπασμάτων - 1958 |
Συχνά εμφανιζόμενοι όροι και φράσεις
acre added amount angle annual answer automobile average bank base bonds bought building called cents Change Chapter Committee compounded cost cubic decimal deposit difference discount distance Divide dollars draw earn equal equation Example feet feet long figures Find foot formula gain gallons give given graph Habit height hour inches income increase interest investment length less loss means measure meter miles minutes months Multiply obtain paid pounds Practice premium problems pupils ratio receive represent result savings score selling price shares Short-Cut side similar Skill sold Solution Solve square root Subtract Test third Trial triangle United volume week wide worth Write yards York
Πληροφορίες βιβλιογραφίας
| Τίτλος | A Second Course in the New Mathematics Junior high school mathematics Junior high school mathematics, ed. by J. M. Glass |
| Συγγραφείς | Edward Ira Edgerton, Perry Amherst Carpenter |
| Εκδότης | Allyn and Bacon, 1928 |
| Πρωτότυπο από | το Πανεπιστήμιο της Καλιφόρνια |
| Ψηφιοποιήθηκε στις | 17 Νοεμ. 2007 |
| Μέγεθος | 375 σελίδες |
| Εξαγωγή αναφοράς | BiBTeX EndNote RefMan |