First Course in Algebra, Βιβλίο 1Macmillan, 1919 - 334 σελίδες |
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Σελίδα 12
... in each of the following equations . 15 . 2 x 5 = = 8 . 3x 2 x 11 . = = 9 . 13 . 4 . 4 1.1 5x 3 x 12 . 7 = = 3 . 14 . = 12 . 16 . .08 3 x 21 . 7 = 17. A certain number divided by 13 gives 50. Write 12 [ I , § 8 FIRST COURSE IN ALGEBRA.
... in each of the following equations . 15 . 2 x 5 = = 8 . 3x 2 x 11 . = = 9 . 13 . 4 . 4 1.1 5x 3 x 12 . 7 = = 3 . 14 . = 12 . 16 . .08 3 x 21 . 7 = 17. A certain number divided by 13 gives 50. Write 12 [ I , § 8 FIRST COURSE IN ALGEBRA.
Σελίδα 13
Walter Burton Ford, Charles Ammerman. 17. A certain number divided by 13 gives 50. Write an equation expressing this ... give 425 ? 21. The diameter of an ear of corn is about one fourth of its length . What is the length if the diameter ...
Walter Burton Ford, Charles Ammerman. 17. A certain number divided by 13 gives 50. Write an equation expressing this ... give 425 ? 21. The diameter of an ear of corn is about one fourth of its length . What is the length if the diameter ...
Σελίδα 16
... gives 36 . SOLUTION . Then , hence , and therefore , Let x = the number sought . 3x + x = 36 , 4x = 36 , x = 9 . Ans . 14. If 8 is subtracted from 5 times a certain number , the result is equal to the number increased by 2. What is the ...
... gives 36 . SOLUTION . Then , hence , and therefore , Let x = the number sought . 3x + x = 36 , 4x = 36 , x = 9 . Ans . 14. If 8 is subtracted from 5 times a certain number , the result is equal to the number increased by 2. What is the ...
Σελίδα 28
... give with proper sign the number which represents the boiling point . Do the same for the freezing point of water , for the freezing point of mercury , and for the temperature called blood heat . 2. What sign should be used to indicate ...
... give with proper sign the number which represents the boiling point . Do the same for the freezing point of water , for the freezing point of mercury , and for the temperature called blood heat . 2. What sign should be used to indicate ...
Σελίδα 32
... Give each rate its proper sign and add . ] 11. Solve Ex . 10 when it is supposed that the pigeon can fly only 30 miles an hour . What does the negative sign of your answer indicate ? 12. A steamer which can go 10 miles an hour 32 [ II ...
... Give each rate its proper sign and add . ] 11. Solve Ex . 10 when it is supposed that the pigeon can fly only 30 miles an hour . What does the negative sign of your answer indicate ? 12. A steamer which can go 10 miles an hour 32 [ II ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
ab+b² added algebra Appendix arithmetic Axiom called cents CHAPTER check your answer circle coefficient common denominator common factor completing the square cube diameter divisor Draw the graph equal EXAMPLE EXERCISES Solve figure Find the H. C. F. Find the numbers Find the value following equations following exercises following expressions fraction further exercises given equation gives highest common factor HINT illustrated inches length lowest common means miles an hour minuend monomial multiply negative numbers numerator and denominator ORAL EXERCISES parentheses perfect square polynomial quadratic quadratic equation quotient radical radicand radius ratio represents result Similarly Simplify simultaneous equations SOLUTION Solve the equation square root subtract subtrahend SUPPLEMENTARY EXERCISES surd Transposing triangle trinomial weight wheel write WRITTEN EXERCISES x²y² yards
Δημοφιλή αποσπάσματα
Σελίδα 241 - Then divide the first term of the remainder by the first term of the divisor...
Σελίδα 101 - Prove that the square of the sum of any two numbers equals the square of the first number, plus twice the product of the two numbers, plus the square of the second number.
Σελίδα 238 - Find the greatest square in the left-hand period and write its root for the first figure of the required root. Square this root, subtract the result from the left-hand period, and to the remainder annex the next period for a dividend.
Σελίδα 138 - Separate each number into its prime factors. Find the product of these factors, taking each factor the greatest number of times it occurs in any one of the given numbers.
Σελίδα 140 - Both terms of a fraction may be divided by the same number without changing the value of the fraction.
Σελίδα 238 - ... subtract the product from the dividend, and to the remainder annex the next period for the next dividend.
Σελίδα 102 - That is, the square of the difference of two numbers is equal to the square of the first number, minus twice the product of the two numbers, plus the square of the second number.
Σελίδα 73 - Any term may be transposed from one side of an equation to the other provided its sign be changed.
Σελίδα 143 - A fraction is reduced to its lowest terms when its numerator and denominator have no common factor except 1.
Σελίδα 227 - If 1 is added to the numerator of a certain fraction, the value of the fraction becomes f ; if 2 is added to the denominator, the value of the fraction becomes £. What is the fraction ? SUGGESTION.