A College AlgebraGinn, 1892 - 517 σελίδες |
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Συχνά εμφανιζόμενοι όροι και φράσεις
9 x² a²b² a²x a²x² ab² ac² arithmetical progression arithmetical series aßy ax² ax³ b₁ cent chance of drawing coefficient colog Complete the square Convergents cube depressed equation digits Divide Exercise Extract the root Find the H. C. F. Find the numbers four roots fraction geometrical progression Hence the chance imaginary roots miles per hour Multiply negative root number of days number of dollars number of gallons number of hours number of miles number of shot number of yards positive root Quotients ratio real root rectangle selected Substitute the value Substitute value Subtract term third three roots thrown Transpose value of x white balls x²+2xy x²y² xy³ αβγ
Δημοφιλή αποσπάσματα
Σελίδα 261 - The sum of the squares of the extremes of four numbers in arithmetical progression is 200, and the sum of the squares of the means is 136. What are the numbers ? Ans.
Σελίδα 240 - A railway passenger observes that a train passes him, moving in the opposite direction, in 2 seconds ; whereas, if it had been moving in the same direction with him, it would have passed him in 30 seconds.
Σελίδα 46 - What is a formula called when expressed in ordinary language? 2. To divide a given number, a, into two such parts, that their difference shall be b ; or, the sum of two numbers is a, and their difference b ; required the numbers.
Σελίδα 230 - A ratio of greater inequality is diminished, and a ratio of less inequality is increased, by adding the same quantity to both its terms.
Σελίδα 379 - The number of balls in a triangular pile is to the number in a square pile having the same number of balls in the side of the base as 6 to 11 ; required the number in each pile.
Σελίδα 330 - At a game of cards, 3 being dealt to each person, any one can have 425 times as many hands as there are cards in the pack. How many cards are there 1 12.
Σελίδα 54 - A and B together can do a piece of work in 12 days, which B and C together can do in 16 days. After 'A' has been working at it for 5 days and B for 7 days, C finishes it in 13 days.