An Elementary Algebra |
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Page 7
... dollars ? In 8 days ? In 4 a's ? In 3 x's ? In 25 ? 7. What name is given to one of the things of which any quantity is composed ? 8. What is the unit in 3 acres ? In 5 dollars ? In 11 z's ? In 9 tens ? 9. Express the number five by ...
... dollars ? In 8 days ? In 4 a's ? In 3 x's ? In 25 ? 7. What name is given to one of the things of which any quantity is composed ? 8. What is the unit in 3 acres ? In 5 dollars ? In 11 z's ? In 9 tens ? 9. Express the number five by ...
Page 18
... dollars as A. How many dollars did each have ? 4. The sum of the ages of three persons , A , B and C , is 96 years . B is twice as old as A , and C 3 times as old . How old are B and C each ? Ans . B , 32 years ; C , 48 years . 5 ...
... dollars as A. How many dollars did each have ? 4. The sum of the ages of three persons , A , B and C , is 96 years . B is twice as old as A , and C 3 times as old . How old are B and C each ? Ans . B , 32 years ; C , 48 years . 5 ...
Page 21
... dollars on one day , and twice two dollars on another day . How many times two dol- lars did he earn in the two days ? 2. In one week John saves a certain sum of money , Harry saves twice that sum , and Robert saves three times that sum ...
... dollars on one day , and twice two dollars on another day . How many times two dol- lars did he earn in the two days ? 2. In one week John saves a certain sum of money , Harry saves twice that sum , and Robert saves three times that sum ...
Page 23
... dollars and spent 5 dollars , and the next week he earned 6 dollars and spent 7 dollars . How many dollars had he at the end of the second week ? SOLUTION . Let d denote a dollar earned and -d ADDITION . 23.
... dollars and spent 5 dollars , and the next week he earned 6 dollars and spent 7 dollars . How many dollars had he at the end of the second week ? SOLUTION . Let d denote a dollar earned and -d ADDITION . 23.
Page 24
Daniel Barnard Hagar. SOLUTION . Let d denote a dollar earned and -d a dollar spent ; then , 8d and 6d denote the dollars earned , and -5d and -7d the dollars spent . 8d and 6d are 14d , -7d and -5d are -12d , and -12d united with 14d ...
Daniel Barnard Hagar. SOLUTION . Let d denote a dollar earned and -d a dollar spent ; then , 8d and 6d denote the dollars earned , and -5d and -7d the dollars spent . 8d and 6d are 14d , -7d and -5d are -12d , and -12d united with 14d ...
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Common terms and phrases
2ab+b² a²+2ab+b² added affected quadratic equation algebraic apples arithmetical means arithmetical progression binomial cents Clear of fractions coefficient Completing the square compound interest contains cube root denominator denote difference Divide dividend division Extracting the square Find the factors Find the greatest Find the least Find the number Find the square Find the sum Find the value find x frac geometrical progression given number greatest common divisor Hence integer least common multiple lowest terms mixed quantity Monomial Multiply number expressed number of dollars number of terms obtain parenthesis polynomial prime factors Principles.-1 PROBLEMS proportion quan quotient radical sign ratio Reduce remainder result rule for solving SECTION similar fractions SIMPLE EQUATIONS simplest form SOLUTION square root subtracted Theorem tions tity Transposing and uniting unknown quantity whence whole number yards
Popular passages
Page 50 - 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.
Page 63 - That is, the square of the sum of two quantities is equal to the square of the first, plus twice the product of the first by the second, plus the square of the second.
Page 64 - The square of the difference of two quantities is equal to the square of the first, minus twice the product of the first by the second, plus the square of the second.
Page 261 - A person has two horses, and a saddle worth £50 ; now, if the saddle be put on the back of the first horse, it will make his value double that of the second ; but if it be put on the back of the second, it will make his value triple that of the first ; what is the value of each horse ? Ans.
Page 244 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Page 194 - Art. 338, that in a proportion, either extreme is equal to the product of the means, divided by the other extreme ; and either of the means is equal to the product of the extremes, divided by the other mean.
Page 218 - The fore wheel of a carriage makes 6 revolutions more than the hind wheel, in going 120 yards ; but if the circumference of each wheel be increased...
Page 64 - ... the product of the two, plus the square of the second. In the third case, we have (a + b) (a — 6) = a2 — b2. (3) That is, the product of the sum and difference of two quantities is equal to the difference of their squares.
Page 43 - Multiply each term of the multiplicand by each term of the multiplier, and add the partial products.
Page 113 - A privateer running at the rate of 10 miles an hour discovers a ship 18 miles off making way at the rate of 8 miles an hour : how many miles can the ship run before being overtaken ? Ans.