A First Book of AlgebraMacmillan, 1904 - 245 páginas |
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Página 186
... stream at the rate of 7 miles an hour , and up the stream at the rate of 4 miles an hour . Find the rate of rowing in still water and the rate of the stream . Let Then , x = rate of rowing per hour in still water . У x + y x - y = rate ...
... stream at the rate of 7 miles an hour , and up the stream at the rate of 4 miles an hour . Find the rate of rowing in still water and the rate of the stream . Let Then , x = rate of rowing per hour in still water . У x + y x - y = rate ...
Página 187
... stream and against the stream , and the rate of the stream equals half the difference of the same two numbers . Example 2. A boat is rowed a distance of 10 miles down a stream and back in 5 hours . The rates of rowing down and back are ...
... stream and against the stream , and the rate of the stream equals half the difference of the same two numbers . Example 2. A boat is rowed a distance of 10 miles down a stream and back in 5 hours . The rates of rowing down and back are ...
Página 188
... stream . EXERCISE 96 1. A boat is rowed 15 miles down a stream and back in 7 hours . The rate down is twice the rate up . Find the rate of rowing in still water and the rate of the stream . 2. A steamboat goes 20 miles down a stream and ...
... stream . EXERCISE 96 1. A boat is rowed 15 miles down a stream and back in 7 hours . The rate down is twice the rate up . Find the rate of rowing in still water and the rate of the stream . 2. A steamboat goes 20 miles down a stream and ...
Página 191
... stream in 10 min . , and can row 1 mi . up the stream in 15 min . How far down stream can they go in order to return in 1 hour ? 25. A woman brought a number of turkeys to market . To the first buyer she sold half the turkeys and half a ...
... stream in 10 min . , and can row 1 mi . up the stream in 15 min . How far down stream can they go in order to return in 1 hour ? 25. A woman brought a number of turkeys to market . To the first buyer she sold half the turkeys and half a ...
Página 216
... stream and back in 6 hours . The rate down the stream is 3 miles per hour more than the rate up . Find the rate down , the rate up , and the rate in still water . 6. A and B working together do a piece of work in 71⁄2 days . B alone ...
... stream and back in 6 hours . The rate down the stream is 3 miles per hour more than the rate up . Find the rate down , the rate up , and the rate in still water . 6. A and B working together do a piece of work in 71⁄2 days . B alone ...
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Términos y frases comunes
A's money algebraic alloy angle apiece arithmetic BALL HIGH SCHOOL BCHL bushels called Check coefficient copper digits diminished distance divisor equal equation Example exceeds EXERCISE exponent expression Extract the square factors Find its dimensions Find the cost Find the number Find the rate find the value fraction Hence horses inches interest length marked price mercury miles an hour monomial Multiply nth root number of acres number of dollars number of ounces number of yards numbers differ o'clock odd number pounds quadratic quadratic equation quotient rate per cent ratio rectangle result simultaneous equations sold SOLUTION Solve specific gravity square miles square root square yards subtract suit of clothes symbols thermometer Transposing travels twice units width x²+1 x²y xy²
Pasajes populares
Página 79 - The sum of the ages of a father and his son is 36, and in 10 years the son's age will be | of the father's age.
Página 144 - That is, the square of the sum of two numbers is equal to the square of the first number, plus twice the product of the two numbers, plus the square of the second number.
Página 173 - In any proportion, the product of the means equals the product of the extremes.
Página 61 - To divide a polynomial by a monomial, divide each term of the polynomial by the monomial: (Sab — 12ac) -i- 4a = 36 — 3c.
Página 75 - A term may be transposed from one member of an equation to the other by changing its sign.
Página 213 - The difference of two numbers is 5, and the sum of their squares is 697.
Página 44 - When the sum of two numbers and one of the numbers are given, to find the other number. From the given sum subtract the given number, and the remainder will be the other number.
Página 65 - The product of two or more fractions is a fraction whose numerator is the product of the numerators of the given fractions and whose denominator is the product of the denominators of the given fractions.
Página 145 - The square of the sum of two numbers is equal to the square \ (¿ of the first, plus twice the product of the first and second, plus the J square of the second.