A Theoretical and Practical Arithmetic: Designed for Common Schools and AcademiesThomas, Cowperthwait, & Company, 1851 - 276 σελίδες |
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Σελίδα 169
... length , what is the height of a tower whose shadow at the same time is 175 feet ? 22. If a reservoir containing 5690 gallons have two pipes , one of which discharges 50 gallons a minute , and the other admits 45 gallons a minute , in ...
... length , what is the height of a tower whose shadow at the same time is 175 feet ? 22. If a reservoir containing 5690 gallons have two pipes , one of which discharges 50 gallons a minute , and the other admits 45 gallons a minute , in ...
Σελίδα 170
... length of the room ? 31. At what time , between 3 and 4 o'clock , are the hands of a watch together ? 32. If a board be 9 inches wide , what must its length be to contain 6 square feet ? 33. Two ships sailed together from Boston to San ...
... length of the room ? 31. At what time , between 3 and 4 o'clock , are the hands of a watch together ? 32. If a board be 9 inches wide , what must its length be to contain 6 square feet ? 33. Two ships sailed together from Boston to San ...
Σελίδα 203
... length of a square field con- taining 20 acres ? Hypothenuse . 292. A triangle is a figure hav- ing three sides and three angles . When one side is perpendicular to another side , it is a right - angled trian- gle , and the angle ...
... length of a square field con- taining 20 acres ? Hypothenuse . 292. A triangle is a figure hav- ing three sides and three angles . When one side is perpendicular to another side , it is a right - angled trian- gle , and the angle ...
Σελίδα 205
... length of the pole before being broken ? 82. Suppose the top of a liberty pole , 180 feet high , to be broken off in part , so that the top reached the ground at the distance of 60 feet from the pole . What is the length of the piece ...
... length of the pole before being broken ? 82. Suppose the top of a liberty pole , 180 feet high , to be broken off in part , so that the top reached the ground at the distance of 60 feet from the pole . What is the length of the piece ...
Σελίδα 237
... length by the breadth . EXAMPLES . 1. What is the area of a rectangular field , 40 rods in length and 30 rods in breadth ? 2. What is the area of a field 50 rods square ? 3. What is the area of a rectangular field , 60.5 rods long and ...
... length by the breadth . EXAMPLES . 1. What is the area of a rectangular field , 40 rods in length and 30 rods in breadth ? 2. What is the area of a field 50 rods square ? 3. What is the area of a rectangular field , 60.5 rods long and ...
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9 months acres added amount annex annuity Avoirdupois bers Boston called cents per bushel cents per pound ciphers circumference column common difference common fraction complete divisor Complete the square composite number compound interest contained cube root denominate numbers diameter discount Divide dividend division dollars equal EXAMPLES farthings federal money find the area finding two numbers frustum gain or loss gallon given number greatest common measure hand figure hundred improper fraction inator inches interest of $1 least common multiple loss per cent lowest denomination mean proportional merchant bought merchant sold miles millionths mills mixed number multiplicand Multiply number of terms paid partial dividend payment pence pound sterling present worth prime cost principal quotient ratio remainder rods rule for finding rule for reducing shillings side simple fraction square root subtract sugar thousandths trial divisor units whole numbers Write yards
Δημοφιλή αποσπάσματα
Σελίδα 179 - Multiply each payment by the time before it becomes due, and divide the sum of the products by the sum of the payments : the quotient will be the mean time.
Σελίδα 186 - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Σελίδα 93 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal.) 31| gallons = 1 barrel (bbl...
Σελίδα 11 - Los números cardinales 0: zero 1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen 19: nineteen 20: twenty...
Σελίδα 54 - To reduce an improper fraction to its equivalent whole or mixed number. RULE. Divide the numerator by the denominator, and the quo<tient will be the whole or mixed number required.
Σελίδα 136 - The rule for casting interest, when partial payments have been made, is to apply the payment, in the first place, to the discharge of the interest then due.
Σελίδα 242 - Problem 16. — To find the area of a ring. Rule. — Take the difference between the areas of the two circles. Problem 17. — To find the area of an ellipse. Rule. — Multiply the product of the two diameters by .7854. Example. — What is the area of an ellipse when the minor and major axes are 6 and 10 ins.
Σελίδα 55 - To reduce a mixed number to an improper fraction. RULE. — Multiply the whole number by the denominator of...
Σελίδα 204 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Σελίδα 213 - Divide the difference of the extremes by the number of terms, less 1, and the quotient will be the common difference.