A Theoretical and Practical Arithmetic: Designed for Common Schools and AcademiesThomas, Cowperthwait, & Company, 1851 - 276 σελίδες |
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Σελίδα 55
... means performed in an opposite order . OBS . 2. A whole number may be changed to an improper fraction by writing 1 under it for a denominator . OBS . 3. A whole number may be changed to an improper fraction of a given denominator by ...
... means performed in an opposite order . OBS . 2. A whole number may be changed to an improper fraction by writing 1 under it for a denominator . OBS . 3. A whole number may be changed to an improper fraction of a given denominator by ...
Σελίδα 165
... means . Thus in the proportion , 20 : 5 :: 36 : 9 , the product of 20 × 9 = 180 , 5 × 36 = 180 . 223. Four numbers are in proportion when the product of the extremes is equal to the product of the means . 224. If any three terms of a ...
... means . Thus in the proportion , 20 : 5 :: 36 : 9 , the product of 20 × 9 = 180 , 5 × 36 = 180 . 223. Four numbers are in proportion when the product of the extremes is equal to the product of the means . 224. If any three terms of a ...
Σελίδα 166
... means , and the means in the place of the extremes . The proportion will also remain the same if the means and the extremes are interchanged , as in the following examples : - 12 : 4 4 :: 15 : 15 : 5 12 : 15 :: 4 : 5 15 : 12 4 : 12 :: 5 ...
... means , and the means in the place of the extremes . The proportion will also remain the same if the means and the extremes are interchanged , as in the following examples : - 12 : 4 4 :: 15 : 15 : 5 12 : 15 :: 4 : 5 15 : 12 4 : 12 :: 5 ...
Σελίδα 167
... means . As a proportion is composed of two simple ratios , it may always be changed to the form of fractions , and treated the same as simple ratios . 230. When three terms are given or known , they may be arranged in a proportion by ...
... means . As a proportion is composed of two simple ratios , it may always be changed to the form of fractions , and treated the same as simple ratios . 230. When three terms are given or known , they may be arranged in a proportion by ...
Σελίδα 189
... mean price are given , - RULE . Find the least quantity of each ingredient by ART . 263. Then divide the given amount by this sum , and multiply the quotient by the quantities found for the least proportional quantities . 10. How much ...
... mean price are given , - RULE . Find the least quantity of each ingredient by ART . 263. Then divide the given amount by this sum , and multiply the quotient by the quantities found for the least proportional quantities . 10. How much ...
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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.