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" Find the time between 3 and 4 o'clock when the hands of a clock are at right angles to each other. "
The First Steps in Algebra: By G. A. Wentworth ... - Page 142
by George Albert Wentworth - 1894 - 184 pages
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A first algebra

R Alban Meaden - 1877 - 150 pages
...3. 125. Solve the equations : — a;+6. , . " 8 """ 15 " 6 ' 9 ' (u.)î+JL=i=?-ï. V ' 8^12 26 126. Find the time between 2 and 3 o'clock when the hands of a watch are together. II. CAMBRIDGE LOCAL EXAMINATION PAPEES. 127. Express algebraically : — The fourth...
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The junior student's algebra. [With] Answers to the examples

Alexander Wilson (M.A.) - 1879 - 228 pages
...a?-4х2; and the GCM of and 5. Solve the equations : ж + 4 x+5x+l x+G (1) o - - --. 8 12 - - 2 6 6. Find the time between 2 and 3 o'clock when the hands of a watch are together. OXFORD, 1875. 1. Find the value of 3a-£{36-7(c-а)} when a = 7, 6 = 4, с = -...
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A Higher Algebra

George Albert Wentworth - Algebra - 1891 - 550 pages
...to clocks, it is to be noticed that the minute-hand moves twelve times as fast as the hour-hand. Ex. Find the time between 2 and 3 o'clock when the hands of a clock are together. At 2 o'clock the hour-hand is 10 minute-spaces ahead of the minute-hand. Let x = the number...
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A School Algebra

George Albert Wentworth - Algebra - 1891 - 380 pages
...and of silver in a mass of gold and silver weighing 530 ounces in air and 495 ounces in water ? Ex. Find the time between 2 and 3 o'clock when the hands of a clock are together. At 2 o'clock the hour-hand is 10 minute-spaces ahead of the minute-hand. Let x = the number...
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New School Algebra

George Albert Wentworth - 1898 - 436 pages
...00 miles an hour takes 2 hours less than a train traveling 40 miles an hour. Find the distance. 47. Find the time between 2 and 3 o'clock when the hands of a clock are together. At 2 o'clock the hour-hand is 10 minute-spaces ahead of the minute-hand. Let x = the number...
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New School Algebra

George Albert Wentworth - Algebra - 1898 - 434 pages
...angles to each other. HINT. In this case the minute-hand is 15 minutes ahead of the hour-hand. 50. Find the time between 2 and 3 o'clock when the hands of a clock point in opposite directions. HINT. In this case the minute-hand is 30 minutes ahead of the hour-hand,...
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New School Algebra

G. A. Wentworth - 1898 - 422 pages
...angles to each other. HINT. In this case the minute-hand is 15 minutes ahead of the hour-hand. 50. Find the time between 2 and 3 o'clock when the hands of a clock point in opposite directions. HINT. In this case the minute-hand is 30 minutes ahead of the hour-hand,...
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Elementary Practical Mathematics

Frank Castle - Mathematics - 1899 - 424 pages
...times the other part. 7. Find two numbers, such that their sum is 51 and their difference is 15. 8. Find the time between 2 and 3 o'clock when the hands of a watch are (a) together, (b) opposite, (c) at right angles to each other. 9. Distinguish between an...
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College Algebra

James Harrington Boyd - Algebra - 1901 - 818 pages
...8 Q = fa and 2 P = x — 10 minute spaces. Hence, x— 10 = T*y and x = 10 |f minutes. ТЫ Lei 50. The hands of a clock are at right angles to each other at three o'clock. When are they next at right angles to each other? Ans. 32T\ min. past 3. 61. How...
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A College Algebra

George Albert Wentworth - Algebra - 1902 - 548 pages
...minutes respectively, in how many minutes will the cistern be filled by the three pipes together '.' 17. Find the time between 2 and 3 o'clock when the hands of a clock are together. 18. Find the time between 3 and 4 o'clock when the hands of a clock make a right angle. 19....
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