Arithmetic

Εξώφυλλο
Ginn, 1892 - 296 σελίδες
 

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Δημοφιλή αποσπάσματα

Σελίδα 79 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 82 - The circumference of a circle is divided into 360 equal parts, called degrees ; each degree into 60 minutes ; each minute into 60 seconds.
Σελίδα 242 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Σελίδα 242 - It follows that the ratio of the circumference of a circle to its diameter is the same for all circles.
Σελίδα 260 - A SPHERE is a solid, or volume, bounded by a curved surface, all points of which are equally distant from a point within, called the centre.
Σελίδα 161 - Sixty days after sight of this first of Exchange (Second and Third of the same tenor and date unpaid...
Σελίδα 80 - 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...
Σελίδα 122 - A can walk 4^ mi. per hour; and B can walk 110 yds. per min. Which is the faster walker, and in what time would he overtake the other, if the latter have 2 min. the start? 521. At what times between 4 and 5 o'clock are the hands of a clock at right angles? together? opposite? 522. It is 3.13 PM mean sun time at a place A when it is 11.44 AM at a place B. Find the difference in longitude between A and B. 523. Multiply 2 dys. 15 hrs. 35 min. 14 sec. by 3^-. 524. The length of a journey is 82 mi. If...
Σελίδα 254 - ... cubic yards of earth must be dug out in making a tunnel 100 yds. long, whose section is a semicircle with a radius of 10 ft. ? 417. The bill for digging a well 45 ft. deep, and 3 ft. 9 in. in diameter was $82.50. Find the charge per cubic yard. 418. If a cubic foot of brass is drawn into a wire ^ of an inch in diameter, what will be the length of the wire ? 419.
Σελίδα 291 - The weight of a body floating in a liquid is equal to the weight of the liquid displaced.

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