 | Isaac Dalby - 1807 - 476 σελίδες
...or, ns 3 : 1 •:: 31-* */ = 7 the lime required. AndSJ. X 7 =: 175- miles the distance required, 10. The hour and minute hands of a watch are together at 12 o'clock ; at what time are they next together ? The minute hand moves 1 circumference on tin- dial plate in... | |
 | Thomas Keith - 1822 - 354 σελίδες
...11 j. In how many days will they all be together a second time ? (22.) The hour, minute, and second hands of a watch are together at 12 o'clock, when will they all be together a second time i DECIMAL FRACTIONS. Definition I. Decimal Fractions, or Decimals, are... | |
 | Daniel Adams - 1848 - 322 σελίδες
...of a dog ; how far must the dog run to overtake him, running 40 rods per minute? Ans. 570 rods. 19. The hour and minute hands of a watch are together at 12 o'clock ; when are they next together ? Ans. 1 h. 5 m. 27^ s. PM 20. Three men start together to travel the same way... | |
 | William Smyth - 1830 - 278 σελίδες
...three and three. The following are particular cases of this problem. 1. The hour, minute, and second hands of a watch are together at 12 o'clock. When will they be together two and two, three and three ? 2. There is an island 73 miles in circumference, and 3 footmen... | |
 | William Smyth - 1833 - 288 σελίδες
...formulas, the values 1, 2, 3, &c. successively. The following are particular cases of this problem. 1. The hour and minute hands of a watch are together at 12 o'clock. When will they be together again for the first, s econd, third, &c. times ? 2. There is an island 73 miles in circumference,... | |
 | Frederick Emerson - 1834 - 300 σελίδες
...dollars, and other charges to 25 dollars. At what price per Ib. must he sell, to gain 20 per cent. ? 28. The hour and minute hands of a watch are together at 12 o'clock; when are they next together ? 29. Suppose two steamboats to start at the same time from places 300 miles... | |
 | George Willson - 1836 - 202 σελίδες
...the rate being 6 per cent. ; how long a time was the money at interest? Ans. 5 years 4 months. 31. The hour and minute hands of a watch are together at 12 o'clock; when are they next together? Ans. 1 h., 5 m., 27^ s. 32. The mean revolution of the moon round the celestial... | |
 | Frederick Emerson - 1839 - 300 σελίδες
...dollars, and other charges to 25 dollars. At what price per Ib must he sell, to gain 20 per cent.? 28. The hour and minute hands of a watch are together at 12 o'clock; when are they next together ? 29. Suppose two steamboats to start at the same time from places 300 miles... | |
 | George Leonard (Jr.) - 1839 - 362 σελίδες
...dav, and spends $1,45 a day, how long before he will be worth $1000 ? Answer, 4 y. 104 d., about. 5. The hour and minute hands of a watch are together at 12 at o'clock ; when are they together again ? Answer, in 1 h. 5 min. 27T3i- sec. Explanation. — Observe... | |
 | George Leonard - 1841 - 354 σελίδες
...day, and spends $1.45 a day, how long before he will be worth $1,000 ? Ans. 4 yrs. 104 d., about. 5. The hour and minute hands of a watch are together at 12 o'clock ; when are they together again ? Ans. in 1 h. 5 min. 27 JT sec Explanation. Observe that the minute hand travels... | |
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Since the minute hand passes the hour hand 11 times in 12 hours, if both are at 12, the minute hand will pass the hour hand the first time in -^ of 12 hours, or in 1 IT hours, equal to 5-ff minutes past 1 o'clock. 
