Practical Mathematics: Instruction Paper, Τόμος 2American school of correspondence, 1912 |
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Σελίδα 46
... hour . much does it burn in 11 hours ? 10. What will 142 yards of curbing cost at $ 65 per yd . ? 11. What will 171⁄2 tons of coal cost at $ 4,7 % per ton ? square How 12. A point on the fly wheel of an engine travels 163 feet per ...
... hour . much does it burn in 11 hours ? 10. What will 142 yards of curbing cost at $ 65 per yd . ? 11. What will 171⁄2 tons of coal cost at $ 4,7 % per ton ? square How 12. A point on the fly wheel of an engine travels 163 feet per ...
Σελίδα 57
... hour ? 13. If a freight train runs at the rate of 15.75 miles per hour , how long will it take it to run 189 miles ? 14. A lot of 22,840 railroad ties cost $ 39,867.22 . What was the cost per hundred ? 15. Seven readings of a ...
... hour ? 13. If a freight train runs at the rate of 15.75 miles per hour , how long will it take it to run 189 miles ? 14. A lot of 22,840 railroad ties cost $ 39,867.22 . What was the cost per hundred ? 15. Seven readings of a ...
Σελίδα 68
... hours earlier than New York . This has led to the adoption in the United States of four standard times , the Eastern , Central , Western , and Pacific , each one hour later than the preceding . Therefore , when it is noon in Washington ...
... hours earlier than New York . This has led to the adoption in the United States of four standard times , the Eastern , Central , Western , and Pacific , each one hour later than the preceding . Therefore , when it is noon in Washington ...
Σελίδα 80
... hour ( hr . ) 24 hours = 1 day ( d . ) 7 days = 1 week ( w . or wk . ) 365 days or 52 wks . = 1 year ( yr . ) 12 months ( mos . ) = 1 year 366 days = 1 leap year 100 years ( yrs . ) = 1 century In most business transactions 30 days are ...
... hour ( hr . ) 24 hours = 1 day ( d . ) 7 days = 1 week ( w . or wk . ) 365 days or 52 wks . = 1 year ( yr . ) 12 months ( mos . ) = 1 year 366 days = 1 leap year 100 years ( yrs . ) = 1 century In most business transactions 30 days are ...
Σελίδα
... hour , and the other delivered 1 cu . yd . , 7 cu . ft . , 24 times per hour . How much more does one deliver in an hour than the other ? 12. The grate of a furnace has an area of 25 square feet ; 260 lbs . of coal are burned per hour ...
... hour , and the other delivered 1 cu . yd . , 7 cu . ft . , 24 times per hour . How much more does one deliver in an hour than the other ? 12. The grate of a furnace has an area of 25 square feet ; 260 lbs . of coal are burned per hour ...
Συχνά εμφανιζόμενοι όροι και φράσεις
acre Avoir Avoirdupois Weight bushel called cancellation ciphers coal contains cubic centimeter cubic feet cubic foot cubic inches cubic measure decimal fractions decimal point denominate number dividend Dividing the numerator division divisor dollars Dry Measure dry quart English system entire quantity equal error example expressed find the least frac fractional units gallons given number gives gram hectoliter higher denomination hundred hundredths improper fraction kilo kilogram kilometer least common denominator length Linear Measure Liquid Quart liter lowest terms metric system millimeters minuend mixed number mixed quantity moving the decimal Multiply the numerator number of places number of units numerator and denominator obtained peck pints pound lb prime factors PROBLEMS FOR PRACTICE quotient Reduce to lowest remainder result short ton SOLUTION Square Measure square mile subtract tenths thousandths tons Troy weight water weighs whole numbers пр
Δημοφιλή αποσπάσματα
Σελίδα 74 - 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 74 - 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 75 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 54 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
Σελίδα 80 - Time. 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24...
Σελίδα 81 - TABLE. 4 farthings (far. or qr.) make 1 penny, d. 12 pence " 1 .shilling, s. 20 shillings " 1 pound or sovereign, £ or sov.
Σελίδα 75 - SURVEYORS' SQUARE MEASURE. 197. This measure is used by surveyors in computing the area or contents of land. TABLE. 625 square links (sq. 1.) make 1 pole P. 16 poles " 1 square chain,, .sq. ch. 10 square chains " 1 acre, A. 640 acres " 1 square mile,. ..sq. mi. 36 square miles (6 miles square)
Σελίδα 75 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 77 - In the international metric system the fundamental unit is the meter — the unit of length. From this the units of capacity (liter) and of weight (gram) were derived. All other units are the decimal subdivisions or multiples of these. These three units are simply related eg, for all practical purposes 1 cubic decimeter equals 1 liter and 1 liter of water weighs 1 kilogram. The metric tables are formed by combining the words
Σελίδα 74 - A pile of wood 8 feet long, 4 feet wide, and 4 feet high, contains 1 cord; and a cord foot is 1 foot in length of such a pile.