A Grammar School Arithmetic |
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... Longitude of a point . The angle between two planes supposed to pass through the centre of the earth and to contain , the one the meridian of that point , and the other the standard meridian . Loss . The excess of the cost price above ...
... Longitude of a point . The angle between two planes supposed to pass through the centre of the earth and to contain , the one the meridian of that point , and the other the standard meridian . Loss . The excess of the cost price above ...
Page 201
... LONGITUDE AND TIME . 189. A meridian is any line drawn straight around the earth , and passing through both poles . 190. The longitude of a place is the angle of inclination of the two planes which are supposed to pass through the ...
... LONGITUDE AND TIME . 189. A meridian is any line drawn straight around the earth , and passing through both poles . 190. The longitude of a place is the angle of inclination of the two planes which are supposed to pass through the ...
Page 202
... longitude give 1 hr . in time , 15 longitude 1 min . , and 15 ′′ longitude 1 sec . , divide 20 ° 36 ′ 15 ′′ by 15 , as in compound division , and the quotient will be the time required . 193. Express 1 1 hr . 4 min . 4 sec . 15 16 ° 1 ...
... longitude give 1 hr . in time , 15 longitude 1 min . , and 15 ′′ longitude 1 sec . , divide 20 ° 36 ′ 15 ′′ by 15 , as in compound division , and the quotient will be the time required . 193. Express 1 1 hr . 4 min . 4 sec . 15 16 ° 1 ...
Page 203
... longitude . 7. The difference in longitude between New York and Canton is 187 ° 3 ' . What is the difference in time ? 8. Find the difference in time between Philadelphia , lon- gitude 75 ° 10 ′ West , and Buenos Ayres , longitude 58 ...
... longitude . 7. The difference in longitude between New York and Canton is 187 ° 3 ' . What is the difference in time ? 8. Find the difference in time between Philadelphia , lon- gitude 75 ° 10 ′ West , and Buenos Ayres , longitude 58 ...
Page 204
... longitudes is found by taking the sum of their longitudes . Their difference in longitude , 73 ° 23 ′ 52 ′ , is equivalent to 4 hrs . 53 min . 35.47 sec . , and as Paris is east of Boston , the time at Paris is found by adding the 4 hrs ...
... longitudes is found by taking the sum of their longitudes . Their difference in longitude , 73 ° 23 ′ 52 ′ , is equivalent to 4 hrs . 53 min . 35.47 sec . , and as Paris is east of Boston , the time at Paris is found by adding the 4 hrs ...
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Common terms and phrases
acres altitude amount angle apothem barrel bought bushels called centre circle circumference common fraction compound interest contains cube root cubic cubic foot decimal point denominator diameter digits discount divided dividend divisor dollars equal expressed factors feet figure Find the cost Find the G. C. M. Find the number Find the products Find the value flour frustum gain gallon given number Hence horses hour hundred hundredths improper fraction inches integral number invested least common multiple length longitude measure merchant miles minuend mixed number multiplicand Multiply nine paid parallelogram perpendicular polygon pounds quantity quart quotient rate per cent ratio received rectangle Reduce regular polygon remainder rods selling sides slant height sold square root straight line Subtract subtrahend surface tens thousand thousandths triangle units weight wheat whole number wide worth
Popular passages
Page 314 - The area of a rectangle is equal to the product of its base and altitude. Given R a rectangle with base b and altitude a. To prove R = a X b. Proof. Let U be the unit of surface. .R axb U' Then 1x1 But - is the area of R.
Page 120 - To reduce a mixed number to an improper fraction. Multiply the whole number by the denominator of the fraction, and to the product add the given numerator.
Page 190 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 180 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Page 138 - When necessary, reduce the fractions to their least common denominator. Subtract the numerator of the subtrahend, from the numerator of the minuend, and place the difference of the new numerators over the common denominator.
Page 301 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...
Page 296 - Any point in the perpendicular is equally distant from the extremities of the line.
Page 330 - If a man walk 3 miles an hour, how many hours will it take him to walk 30 miles ? 17. Bought 4 barrels of flour for 28 dollars ; what was the cost of one barrel ? 18. If I pay 27 cents for 3 pounds of sugar, how much do I pay a pound ? 19. 15 are how many times 3 ? 5 ? 20.
Page 194 - A Circle is a plane figure bounded by a curved line, called the Circumference, all points of which are equally distant from a point within, called the Centre.
Page 182 - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.