A New Introduction to the Science of Algebra... |
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Page 9
... dollar as the unit , the number of times one dollar is contained in that quantity , is the magnitude of the quantity . Thus 300 dollars is conceived to be com- posed of 300 parts , each of which is equal in value to one dollar . If ...
... dollar as the unit , the number of times one dollar is contained in that quantity , is the magnitude of the quantity . Thus 300 dollars is conceived to be com- posed of 300 parts , each of which is equal in value to one dollar . If ...
Page 73
... dollars ? Two ratios may be equal to each other , and such ratios , when written together , with the sign of equality between them , constitute a proportion . Thus , the arithmetical ratio 9 - 4 , is equal to the ratio 12-7 , and from ...
... dollars ? Two ratios may be equal to each other , and such ratios , when written together , with the sign of equality between them , constitute a proportion . Thus , the arithmetical ratio 9 - 4 , is equal to the ratio 12-7 , and from ...
Page 84
... dollars ? Here the ratio is given between the length of the two pieces of cloth , and one term of the ratio of the corresponding prices ; and it is evident that the ratio of the prices should be equal to the ratio of the lengths ; or ...
... dollars ? Here the ratio is given between the length of the two pieces of cloth , and one term of the ratio of the corresponding prices ; and it is evident that the ratio of the prices should be equal to the ratio of the lengths ; or ...
Page 85
... dollars per month of 30 days ? Ans . $ 165,866 . 5. How many yards of matting that is 3 feet broad will cover a floor that is 27 feet long and 20 feet broad ? Ans . 60 . 6. The joint stock of two merchants is 13,150 dollars ; they gain ...
... dollars per month of 30 days ? Ans . $ 165,866 . 5. How many yards of matting that is 3 feet broad will cover a floor that is 27 feet long and 20 feet broad ? Ans . 60 . 6. The joint stock of two merchants is 13,150 dollars ; they gain ...
Page 86
... dollars for a year at 54 per cent ? 100 : 275 = 51 : x . Reducing the fractions to decimals , Dividing the first ratio by 25 , 100 : 275,75 = 5,25 : x . 4 : 11,035,25 : x . x = 14,476875 . 6. What length must be cut off a board 7 86 ...
... dollars for a year at 54 per cent ? 100 : 275 = 51 : x . Reducing the fractions to decimals , Dividing the first ratio by 25 , 100 : 275,75 = 5,25 : x . 4 : 11,035,25 : x . x = 14,476875 . 6. What length must be cut off a board 7 86 ...
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Common terms and phrases
2d power 3ab² a²-b² a²b ab² added algebraic quantity antecedents Arith arithmetical progression becomes Clearing of fractions coefficient common denominator common difference contained continued fraction cube root decimal fraction Demonstration Divide dividend division dollars equation evident EXAMPLES exponent expressed Extract the square extracting the root factors Find the greatest Find the sum find the value fourth geometrical progression given number gives greater greatest common divisor hence improper fraction last term least common multiple less letters logarithms lowest terms mean terms merator minuend mixed number multiplicand Multiply nator number of terms operation orders of units polynomials Prod quan quotient ratio Reduce remainder required to find result simple fraction square root subtractive terms tens third power tion tity Transposing unity unknown quantity vulgar fraction whence whole number writing written
Popular passages
Page 268 - A put four horses, and B as many as cost him 18 shillings a week. Afterwards B put in two additional horses, and found that he must pay 20 shillings a week. At what rate was the pasture hired ? 49.
Page 136 - Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator.
Page 167 - B with $96. A lost twice as much as B; and, upon settling their accounts, it appeared that A had three times as much remaining as B. How much did each lose ? Ans. A lost $96, and B lost $48.
Page 73 - The first term of a ratio is called the antecedent, and the second term the consequent.
Page 78 - In any proportion, the product of the means is equal to the product of the extremes.
Page 91 - If a footman travel 130 miles in 3 days, when the days are 12 hours long; in how many days, of 10 hours each, may he travel 360 miles ? Ans.
Page 277 - A and B 165 miles distant from each other set out with a design to meet; A travels 1 mile the first day, 2 the second, 3 the third, and so on.
Page 88 - If 248 men, in 5 days, of 11 hours each, can dig a trench 230 yards long, 3 wide...
Page 161 - It is required to divide the number 99 into five such parts, that the first may exceed the second by 3, be less than the third by 10, greater than the fourth by 9, and less than the fifth by 16.
Page 267 - A and B set off at the same time, to a place at the distance of 150 miles. A travels 3 miles an hour faster than B, and arrives at his journey's end 8 hours and 20 minutes before him.