American Comprehensive Arithmetic |
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Page 159
... root , cannot affect the equality . ILLUSTRATION . x2 = 4 ; squaring both members , x4 : = 16 ; extracting the ... cube root , is to find one of the three equal factors whose product is that term . Thus , the cube root of 8 , written V8 ...
... root , cannot affect the equality . ILLUSTRATION . x2 = 4 ; squaring both members , x4 : = 16 ; extracting the ... cube root , is to find one of the three equal factors whose product is that term . Thus , the cube root of 8 , written V8 ...
Page 239
... root of 27 ; 81 , the fourth root of 81 ; root of 81 . 9. Read : 9 ; 27 ; 81 ; 81 . Ans . These are read as in Ex . 8. Also , 273 , 27 to the power ; 93 27 , the cube 81 , the xth may be read , 9 to the power ; 10. Declare the results ...
... root of 27 ; 81 , the fourth root of 81 ; root of 81 . 9. Read : 9 ; 27 ; 81 ; 81 . Ans . These are read as in Ex . 8. Also , 273 , 27 to the power ; 93 27 , the cube 81 , the xth may be read , 9 to the power ; 10. Declare the results ...
Page 243
... root of 25 . V 25 5 - 36 6 We extract the square root of the numera- tor , and then of the denominator . 36. Extract the square root of .000025 . V.00'00 ... CUBE ROOT I. If a number is separated into periods INVOLUTION AND EVOLUTION 243.
... root of 25 . V 25 5 - 36 6 We extract the square root of the numera- tor , and then of the denominator . 36. Extract the square root of .000025 . V.00'00 ... CUBE ROOT I. If a number is separated into periods INVOLUTION AND EVOLUTION 243.
Page 245
... cube root of the first period will give the first figure of the root , and the cube root of the first two periods will give the first two figures of the root . We raise a + b to the third power to have a perfect cube before us , and ...
... cube root of the first period will give the first figure of the root , and the cube root of the first two periods will give the first two figures of the root . We raise a + b to the third power to have a perfect cube before us , and ...
Page 246
... cube root of 1'879'080'904 . We separate the number into periods of three figures each , because the cube root of the first period will give the first figure of the root ; the cube root of the first two periods , the first two figures ...
... cube root of 1'879'080'904 . We separate the number into periods of three figures each , because the cube root of the first period will give the first figure of the root ; the cube root of the first two periods , the first two figures ...
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Common terms and phrases
ab² acres addend altitude angles apothem apples cost avoirdupois base bought brokerage bushels carpet cash cents circle circumference commission common fraction compound interest cone contained convex surface corn cube root decimal periods decimal places denominator digits divided dividend divisible divisor dollars eggs equal equation extract the cube extract the square factor figures Find the amount Find the value frustum gain Given terms horse hound hundred income integer interest of $1 investment James Lyman least common multiple marked price miles multiply NOTE number denoted par value payment periods principal prism proceeds proportion pyramid quotient radius ratio rectangle Reduce regular polygon Relation remainder required term rhombus selling price sides slant height sold square pyramid square root subtract triangle true discount units weight write yard
Popular passages
Page 254 - 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.
Page 107 - Multiply as in whole numbers, and point off as many decimal places in the product as there are decimal places in the multiplicand and multiplier, supplying the deficiency, if any, by prefixing ciphers.
Page 224 - Courts have adopted the following, called the UNITED STATES RULE. Find the amount of the principal to the time of the first payment ; if the payment equals or exceeds the interest, subtract it from the amount, and regard the remainder as a new principal.
Page 90 - Multiply together the numerators for a new numerator, and the denominators for a new denominator.
Page 272 - Pythagoras' theorem states that the square of the length of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the lengths of the other two sides.
Page 273 - The area of a triangle is equal to one half 'the product of its base and altitude.
Page 8 - ... one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty thirty forty fifty sixty seventy eighty ninety one hundred two hundred three hundred four hundred five hundred...
Page 69 - A number is divisible by 9, when the sum of its digits is divisible by 9.
Page 176 - M shown in the operation. 2. 5 compositors, in 16 days, of 14 hours each, can compose 20 sheets of 24 pages in each sheet, 50 lines in a page, and 40 letters in a line ; in...
Page 86 - Multiplying or dividing both numerator and denominator by the same number does not change the value of the fraction.