Elementary AlgebraRivingtons, 1879 - 398 σελίδες |
Συχνά εμφανιζόμενοι όροι και φράσεις
2ab+b² a+b-c a+b+c a²+2ab+b² a²+b² Algebra arithmetic means Arithmetical Progression binomial bracket called change the sign coefficient Crown 8vo denominator denote difference digits Divide dividend divisible divisor equal equivalent fractions find the L.C.M. Find the number Find the sum Find the value following expressions FRANCIS STORR Geometrical Progression given greater Hence Highest Common Factor Insert less logarithms Multiply nonary number of permutations number of terms obtain proceed proper fraction quadratic equation quantity quotient ratio remainder represent the number result Rule scale whose radix second term senary shew shillings sides Simplify solve the equations square root subtract surd take the square Theorem things taken unknown symbol whole number
Δημοφιλή αποσπάσματα
Σελίδα 251 - The first of four magnitudes is said to have the same ratio to the second which the third has to the fourth, when...
Σελίδα 286 - Since the arrangement of candidates on each slate is important (each arrangement represents people running for different political offices), this is a permutations problem. Recalling the general formula for the number of permutations of n things taken r at a time, nPr = n\l(n - r)!, we replace n by 10 and r by 3 to obtain 10!
Σελίδα 324 - Suppose that a*=n, then x is called the logarithm of n to the base a : thus the logarithm of a number to a given base is the index of the power to which the base must be raised to be equal to the number. The logarithm of n to the base a is written log.
Σελίδα 78 - If the numerator and denominator be divided by the same number, the value of the fraction is not altered.
Σελίδα 169 - Then divide the first term of the remainder by the first term of the divisor...
Σελίδα 247 - PROPORTION when the ratio of the first to the second is equal to the ratio of the second to the third.
Σελίδα 255 - A waterman rows 30 miles and back in 12 hours. He finds that he can row 5 miles with the stream in the same time as 3 against it. Find the time he was rowing up and down respectively.
Σελίδα 280 - A number consists of three digits in geometrical progression. The sum of the digits is 13 ; and if 792 be added to the number, the digits in the units' and hundreds