The elements of algebra |
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Página 232
... varying inversely as the distance from its pole ? Ans . 22.4 inches . • II . ADFECTED QUADRATICS . 1. Adfected quadratics containing only one unknown quantity . ( 274. ) Every adfected quadratic , as before observed ( 272 ) , may be ...
... varying inversely as the distance from its pole ? Ans . 22.4 inches . • II . ADFECTED QUADRATICS . 1. Adfected quadratics containing only one unknown quantity . ( 274. ) Every adfected quadratic , as before observed ( 272 ) , may be ...
Página 297
... varies , the other varies in the same proportion , the former is said to vary directly as the other . " Thus , if x and y are so related that any two values of x , as x and x " , and the corresponding values PROPORTIONAL EQUATIONS . 297 ...
... varies , the other varies in the same proportion , the former is said to vary directly as the other . " Thus , if x and y are so related that any two values of x , as x and x " , and the corresponding values PROPORTIONAL EQUATIONS . 297 ...
Página 298
... vary inversely as the latter . " 1 1 y ' ` y ' " Thus , if x ' : x " = : x and y are said to vary in- versely , and this is expressed by a ÷ 14 y ( 383. ) If when one quantity varies , the product of other two varies in the same ...
... vary inversely as the latter . " 1 1 y ' ` y ' " Thus , if x ' : x " = : x and y are said to vary in- versely , and this is expressed by a ÷ 14 y ( 383. ) If when one quantity varies , the product of other two varies in the same ...
Página 299
... varies directly as the latter variable quantity . " Let xmy , then x = y For amy ' , and " my " ; therefore x ' : " my ' : my ... vary as each other . " Let xy , then mx ÷ ny For x ' x'y ' : y ' , therefore PROPORTIONAL EQUATIONS . 299.
... varies directly as the latter variable quantity . " Let xmy , then x = y For amy ' , and " my " ; therefore x ' : " my ' : my ... vary as each other . " Let xy , then mx ÷ ny For x ' x'y ' : y ' , therefore PROPORTIONAL EQUATIONS . 299.
Página 300
... vary as another , it will also vary as any multiple or part of the other . " For when m = 1 , x ny ( 391. ) COR . 2.- Any multiples or parts of a variable quantity vary as each other . " Let x be a variable quantity , then mx ÷ nx For ...
... vary as another , it will also vary as any multiple or part of the other . " For when m = 1 , x ny ( 391. ) COR . 2.- Any multiples or parts of a variable quantity vary as each other . " Let x be a variable quantity , then mx ÷ nx For ...
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Términos y frases comunes
a²x a²x² a³x algebraical Algebraical Fractions annuity assumed ax² ax³ binomial coefficients continued fraction cube root cubic equation denote Divide dividend divisible divisor equa equal equations containing equidifferent evident EXAMPLES EXERCISES exponent expressed factors Find a number Find the cube Find the least Find the square Find the sum Find the value Find two numbers former given equations given quantity greatest common measure harmonic mean hence last term latter least common multiple Let the number logarithms method Multiply nth root number of terms permutations positive preceding prefixed proportional equation quadratic quan quotient radical sign ratio Rationalise the denominator Reduce relatively prime remainder required the numbers result rule second term solution square root subtract system of values taken theorem third tion tity unknown quantities vulgar fraction ах
Pasajes populares
Página 76 - Multiply each numerator by all the denominators except its own, for the new numerators ; and all the denominators together for A COMMON denominator. NOTE 1.
Página 317 - Three lines are in harmonical proportion, when the first is to the third, as the difference between the first and second, is to the difference between the second and third ; and the second is called a harmonic mean between the first and third. The expression 'harmonical proportion...
Página 339 - In each succeeding term the coefficient is found by multiplying the coefficient of the preceding term by the exponent of a in that term, and dividing by the number of the preceding term.
Página 309 - Find the nth term, and the sum of n terms of the natural series of numbers 1, 2, 3, 4 . . . . Ans.
Página 223 - If A and В together can perform a piece of work in 8 days, A and С together in 9 days, and В and С in 10 days; how many days would it take each person to perform the same work alone?
Página 353 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Página 286 - If four magnitudes are proportional, the sum of the first and second is to their difference as the sum of the third and fourth is to their difference.
Página 178 - A man was hired 50 days on these conditions. — that, for every day he worked, he should receive $ '75, and, for every day he was idle, he should forfeit $ '25 ; at the expiration of the time, he received $ 27'50 ; how many days did he work...
Página 176 - A hare is 50 leaps before a greyhound, and takes 4 leaps to the greyhound's 3 ; but 2 of the greyhound's leaps are equal to 3 of the hare's ; how many leaps must the greyhound take, to catch the hare?
Página 352 - The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers.