Complete Arithmetic; Or, Third Book of a Series of Mathematics |
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Σελίδα 2
119 TIME AND LONGITUDE PRACTICAL EXAMPLES . RATIO 63 65 68 70 94 217 118 224 229 232 234 238 247 Copyright , 1878 , 1830 , by P. O'SHEA . Electrotyped by SMITH & MCDOUGAL , 82 Beekman St , N. Y. CAJORI fa presen PREFACE .
119 TIME AND LONGITUDE PRACTICAL EXAMPLES . RATIO 63 65 68 70 94 217 118 224 229 232 234 238 247 Copyright , 1878 , 1830 , by P. O'SHEA . Electrotyped by SMITH & MCDOUGAL , 82 Beekman St , N. Y. CAJORI fa presen PREFACE .
Σελίδα 112
ANGULAR OR CIRCULAR MEASURE is applied to angles and circumferences , reckoning lati . tudes and longitudes , etc. ... of the earth in 24 hours , * and consequently travels 15 ° in 1 hour ; therefore , 1 hour of time = 15 ° longitude .
ANGULAR OR CIRCULAR MEASURE is applied to angles and circumferences , reckoning lati . tudes and longitudes , etc. ... of the earth in 24 hours , * and consequently travels 15 ° in 1 hour ; therefore , 1 hour of time = 15 ° longitude .
Σελίδα 114
... the 8th month and 18th day , there is no inaccuracy . In computations of time we always take 30 days as a month . 26. The difference in time of two places is 2 hr . 2 min . and 2 sec .; what is the difference in longitude ? min ...
... the 8th month and 18th day , there is no inaccuracy . In computations of time we always take 30 days as a month . 26. The difference in time of two places is 2 hr . 2 min . and 2 sec .; what is the difference in longitude ? min ...
Σελίδα 115
If the difference of longitude of two places is 15 ° , the difference of time will be one hour ; the eastern place will have the latest time . If the difference in longitude is 16 ° 24 ' 30 ' , what is the difference in time ?
If the difference of longitude of two places is 15 ° , the difference of time will be one hour ; the eastern place will have the latest time . If the difference in longitude is 16 ° 24 ' 30 ' , what is the difference in time ?
Σελίδα 120
To find the difference of time of two places whose longitudes are given . REM . — Divide the difference of longitude by 15 , and in the quotient regard degrees , minutes and seconds as hours , minutes and seconds of time .
To find the difference of time of two places whose longitudes are given . REM . — Divide the difference of longitude by 15 , and in the quotient regard degrees , minutes and seconds as hours , minutes and seconds of time .
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Complete Arithmetic, Or, Third Book of a Series of Mathematics Andrew H. Baker Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Complete Arithmetic; Or, Third Book of a Series of Mathematics Andrew H Baker Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
acres acres of land added addition amount annuity barrels base begin bought bushels of wheat called cent cloth column common denominator compound contained cost cube cubic decimal denominator diameter difference discount Divide dividend division divisor dollars draft equal EXAMPLES exchange expressed Extract face factors farthings feet figure Find five flour four fraction gain given greatest common divisor hence horses hundred inches increase interest invested least common multiple length less longitude MEASURE miles mills months Multiply paid pence period placed pounds premium present value principal PROBLEMS purchase quotient ratio received Reduce remainder Required rods root shillings side simple sold square subtracted sugar tens term third thousand units whole worth yard York zero