First Course in Algebra, Βιβλίο 1Macmillan, 1919 - 334 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 60.
Σελίδα 1
... write I = $ 125X2X.05 $ 12.50 . Ans . = In Algebra the use of letters in this way is very common . Let us take another example . We know that the area of a rectangle may always be found by multiplying its length by its breadth . To ...
... write I = $ 125X2X.05 $ 12.50 . Ans . = In Algebra the use of letters in this way is very common . Let us take another example . We know that the area of a rectangle may always be found by multiplying its length by its breadth . To ...
Σελίδα 2
... write simply 2 a . In the same way , 3 × a is written 3a , and 4Xx is written 4 x , etc. In fact , if a and b stand for any numbers , then aXb is written in the simple form ab . But notice that for 2x3 we cannot write 23 , since this ...
... write simply 2 a . In the same way , 3 × a is written 3a , and 4Xx is written 4 x , etc. In fact , if a and b stand for any numbers , then aXb is written in the simple form ab . But notice that for 2x3 we cannot write 23 , since this ...
Σελίδα 7
... write down three steps as follows : From the problem , we know , as before , that 2x + 5 = 29 . Subtracting 5 from both sides , we find 2 x = 24 . Dividing both sides of last equation by 2 , gives x = 12 . Ans . We shall now solve ...
... write down three steps as follows : From the problem , we know , as before , that 2x + 5 = 29 . Subtracting 5 from both sides , we find 2 x = 24 . Dividing both sides of last equation by 2 , gives x = 12 . Ans . We shall now solve ...
Σελίδα 11
... Write an equation expressing this fact and solve it to find the number . 17. If 16 is subtracted from three times a certain number the result is 110. Find the number . 18. Our team played ball with the seventh grade . Our score was 3 ...
... Write an equation expressing this fact and solve it to find the number . 17. If 16 is subtracted from three times a certain number the result is 110. Find the number . 18. Our team played ball with the seventh grade . Our score was 3 ...
Σελίδα 12
... of x 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.
... of x 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.
Άλλες εκδόσεις - Προβολή όλων
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.