Elementary Algebra

Εξώφυλλο
Allyn and Bacon, 1915 - 373 σελίδες
 

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Δημοφιλή αποσπάσματα

Σελίδα 333 - A and B working together can do a piece of work in 12 days.
Σελίδα 243 - Divide the first term of the remainder by twice the first term of the root, and add the quotient to the part of the root already found, and also to the trial-divisor.
Σελίδα 276 - From (ж + a)2 = я? + 2 ax + a2 we see that the third term is the square of half the coefficient of x in the second term.
Σελίδα 106 - 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.
Σελίδα xii - ... a. A rectangular solid is a figure of three dimensions having six rectangular faces meeting each other at right angles. The three dimensions are length, width, and height. The figure below is a rectangular solid: l is the length, w is the width, and h is the height.
Σελίδα 149 - The formula states that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the base and altitude.
Σελίδα 107 - The square of the difference of two numbers is equal to the square of the first, minus twice the product of the first and the second, plus the square of the second.
Σελίδα 323 - An open box is made from a square piece of tin by cutting out a 5 inch square from each corner and turning up the sides. How large is the original square, if the box contains 180 cubic inches?
Σελίδα 289 - The second value is in this case not to be taken, for it is inadequate; people do not approve of negative roots.
Σελίδα 187 - In any proportion, the product of the means equals the product of the extremes.

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