Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" It is read the ratio of a to b equals the ratio of c to d, or briefly, a is to b as c is to d. "
The Normal Elementary Algebra: Containing the First Principles of the ... - Page 22
by Edward Brooks - 1888 - 154 pages
Full view - About this book

An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - Algebra - 1814 - 304 pages
...proportions. A , ( 12:6=8:4, or 12:6::S:4> are geometrical £ a:b=d:h, or a:b::d:h$ proportions. The latter is read, ' the ratio of a to b equals the ratio of' rf.to A;' or more concisely, Ğa is to b, as d to A.' •368. The first and last terms are called the...
Full view - About this book

An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - Algebra - 1827 - 352 pages
...4' Or 12 : 6 : : 8 : 4 I are geometrical \ a : b=d : h, or a : b : : d : h $ proportions. The latter is read, ' the ratio of a to b equals the ratio of d to h ;' or more concisely, ' a is to 6, as d to A.' 368. The first and last terms are called the...
Full view - About this book

Elements of Algebra: Being an Abridgment of Day's Algebra, Adapted to the ...

James Bates Thomson - Algebra - 1844 - 266 pages
...•• 6 :: 4 •• 2 > are arithmetical ? a : b=d : A, or a : b :: d: ft ) proportions. • The latter is read, ' the ratio of a to b equals the ratio of d to h ;, or more concisely, ' o is to b as d to h., C a •• b—C" d, or a •• b :: c ••...
Full view - About this book

An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - Algebra - 1847 - 358 pages
...12 : 6=8 : 4, or 12 : 6 : : 8 : 4 ) are geometrical n ( a:b=d:h,or a:b::d:h) proportions. The latter is read, ' the ratio of a to b equals the ratio of d to h;' or more concisely, 'o is to b, as d to A..' 368. The first and last terms are called the extremes,...
Full view - About this book

Elements of Algebra: Being an Abridgment of Day's Algebra, Adapted to the ...

Jeremiah Day, James Bates Thomson - Algebra - 1848 - 264 pages
...=8 : 4, or 12 : 6 : : 8 : 4 ) are geometrical ( a:b=d:h, or a: b : : d: h ) proportions. The latter is read, ' the ratio of a to b equals the ratio of d to h ;' or more concisely, ' a is to b as d to A.' 318. The first and last terms are called the extremes,...
Full view - About this book

Elements of arithmetic for the use of schools

William Scott - Arithmetic - 1854 - 230 pages
...-• b=*c : d; a : b :: c : d, and expressed in words as follows : The ratio of a to b is equal to the ratio of c to d ; or a is to b as c is to d. c. The first and third terms of a proportion are named Antecedents, and the second and fourth...
Full view - About this book

The University Algebra ...

John Fair Stoddard, William Downs Henkle - Algebra - 1859 - 538 pages
...only unphilosophical but is not consistent with the symbol used to express ratio. Thus, a:b = c:da read the ratio of a to b equals the ratio of c to d. Now, the symbol : is a sign of division, and is generally used as such by the Germans in preference...
Full view - About this book

Ray's Algebra, First Book: Primary Elements of Algebra, for Common ..., Book 1

Joseph Ray - Algebra - 1866 - 252 pages
...The sign of equality ; thus, a : b = c : d. The first is read, a is to b as c is to d ; the second is read, the ratio of a to b equals the ratio of c to d. From the preceding definition, it follows, that when four quantities are in proportion, the second...
Full view - About this book

Primary Elements of Algebra: For Common Schools and Academies

Joseph Ray - Algebra - 1866 - 250 pages
...The sign of equality ; thus, a : b = c : d . The first is read, a is to b as c is to d; the second is read, the ratio of a to b equals the ratio of c to d. From the preceding definition, it follows, that when four quantities are in proportion, the second...
Full view - About this book

The Normal Elementary Geometry: Embracing a Brief Treatise on Mensuration ...

Edward Brooks - Geometry - 1868 - 284 pages
...: B, denotes the ratio of AtoB. The Sign of Equal Ratios, : : ; thus, A : B : : C: D, denotes that the ratio of A to B equals the ratio of C to D. We present also a few combinations of these symbols, called formulas, which will be found valuable...
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF