Elementary Algebra with a Table of LogarithmsP. Blakiston's Son & Company, Incorporated, 1920 - 383 σελίδες |
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Σελίδα 28
... amount received for 25 days ' work was $ 350 , find the number of days allowed by the contract . 21. A factory ... amounts to $ 3900 . 22. Two trains start from the same station at the same time and travel in opposite directions , one at ...
... amount received for 25 days ' work was $ 350 , find the number of days allowed by the contract . 21. A factory ... amounts to $ 3900 . 22. Two trains start from the same station at the same time and travel in opposite directions , one at ...
Σελίδα 30
... amount for taxes and twice as much for improvements and received for rent three times as much as he paid for improvements . If his net gain per year was $ 300 , what were his taxes ? 3. A speculator who doubled his money by a fortunate ...
... amount for taxes and twice as much for improvements and received for rent three times as much as he paid for improvements . If his net gain per year was $ 300 , what were his taxes ? 3. A speculator who doubled his money by a fortunate ...
Σελίδα 81
... amount to be added and subtracted must itself Therefore we select 9x2 and not 17x2 . be a square . Adding , 4x4 4x4 Grouping the terms , ( 4x4 Factoring , - - - 13x2 + 1 9x2 4x2 + 1 - - - ( 3x ) 2 4x2 + 1 ) ( 2x2 ( 2x2 -- 1 ) 2 - 9x2 ...
... amount to be added and subtracted must itself Therefore we select 9x2 and not 17x2 . be a square . Adding , 4x4 4x4 Grouping the terms , ( 4x4 Factoring , - - - 13x2 + 1 9x2 4x2 + 1 - - - ( 3x ) 2 4x2 + 1 ) ( 2x2 ( 2x2 -- 1 ) 2 - 9x2 ...
Σελίδα 131
... , solving the formula i = prt for the unknown quantity , r = i pt Substituting in the formula , 36 36 36 6 r = = . r = 900 X 3 6 % 1800 3 600 100 Similarly , since the amount is the sum of principal FRACTIONAL EQUATIONS 131.
... , solving the formula i = prt for the unknown quantity , r = i pt Substituting in the formula , 36 36 36 6 r = = . r = 900 X 3 6 % 1800 3 600 100 Similarly , since the amount is the sum of principal FRACTIONAL EQUATIONS 131.
Σελίδα 132
Julius Lederer Neufeld. Similarly , since the amount is the sum of principal and interest , if a = amount , we have the formula a = p + prt 3. In what time will $ 1000 amount to $ 1250 if put at interest at 5 % ? Solving the formula for ...
Julius Lederer Neufeld. Similarly , since the amount is the sum of principal and interest , if a = amount , we have the formula a = p + prt 3. In what time will $ 1000 amount to $ 1250 if put at interest at 5 % ? Solving the formula for ...
Συχνά εμφανιζόμενοι όροι και φράσεις
added arithmetical arithmetical mean axis binomial called changing the signs Clear of fractions coefficient cologarithm common factor Complete the square cube root decimal difference digits distance dividend division dominant letter equal numbers Extract the square figures Find the numbers Find the sum find the value formula geometrical mean graph harmonical mean Hence inches indicated last term letters logarithms mantissa method middle term miles per hour minus monomial Multiply negative number number is divided number of combinations number of dollars number of permutations number of terms numerator and denominator parenthesis partial products polynomial problem quadratic equation quantity quotient ratio remainder REVIEW EXERCISE second term side Similarly Simplify smaller number Solve square root Substitute this value Subtract surd Transposing trial divisor unknown numbers varies zero
Δημοφιλή αποσπάσματα
Σελίδα 89 - If the numerator and denominator of each fraction is multiplied (or divided) by the same number, the value of the fraction will not change.
Σελίδα 293 - If the product of two numbers is equal to the product of two other numbers, either pair may be made the means, and the other pair the extremes, of a proportion.
Σελίδα 67 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient. Multiply the whole divisor by the first term of the quotient, and subtract the product from the dividend.
Σελίδα 60 - The square of the sum of two numbers is equal to the square of the first number plus twice the product of the first and second number plus the square of the second number.
Σελίδα 305 - У . 18 2. Given that the area of a triangle varies jointly as its base and altitude, what will be the base of a triangle whose altitude is 12, equivalent to the sum of two triangles whose bases are 10 and 6, and altitudes 3 and 9, respectively...
Σελίδα 50 - Multiply every term of the multiplicand by each term of the multiplier, and add the partial products.
Σελίδα 303 - The weight of an object above the surface of the earth varies inversely as the square of its distance from the center of the earth.
Σελίδα 300 - One quantity is said to vary directly as a second and inversely as a third, when it varies jointly as the second and the reciprocal of the third. Thus...
Σελίδα 339 - The number of permutations of n different things taken r at a time is denoted by „Pr.
Σελίδα 89 - To reduce a Fraction to its Lowest Terms. — A fraction is in its lowest terms when the numerator and denominator...