Αναζήτηση Εικόνες Χάρτες Play YouTube Ειδήσεις Gmail Drive Περισσότερα »
Είσοδος
Βιβλία Βιβλία 71 - 80 από 176 για In any proportion, the product of the means equals the product of the extremes..
" In any proportion, the product of the means equals the product of the extremes. "
The New Normal Written Arithmetic: Designed for Common Schools, Normal ... - Σελίδα 293
των Edward Brooks - 1877 - 421 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

Constructive text-book of practical mathematics, Τόμος 3

Horace Wilmer Marsh, Mrs. Annie Griswold Fordyce Marsh - 1914
...is still retained in the geometries because of its application to similar triangles. 79 IV THEOREM 1 In every proportion the product of the means equals the product of the extremes. -,. ac Given r=j 6 a Prove be = ad IV THEOREM 2 A mean proportional between two quantities equals the...

Elementary Algebra

Herbert Ellsworth Slaught, Nels Johann Lennes - 1915 - 373 σελίδες
...fractional form, - = c, we clear 6 d of fractions and obtain ad = bc. That is : If four numbers are in proportion, the product of the means equals the product of the extremes. Case II : b : a : : d : c. We are to show that if - = -, then- = - . bdac Proof. From Case I, we have...

Elementary Algebra

Herbert Ellsworth Slaught, Nels Johann Lennes - 1915 - 373 σελίδες
...fractional form, - = c, we clear о it of fractions and obtain ad = be. That is : If four numbers are in proportion, the product of the means equals the product of the extremes. Case II : b : a:: d : c. We are to show that if - = -, then-=-. bdac Proof. From Case I, we have bc...

Essentials of Arithmetic: Advanced Book

George Wentworth, David Eugene Smith - 1915 - 290 σελίδες
...terms are called the means. In the proportion | = ££, we see that 7 x 15 = 3 x 35. That is, in any proportion, The product of the means equals the product of the extremes. We also see that if x : 21 = 35 : 105, x 35 21 = 105' then ^ = ., 21 x 35 Therefore, in any proportion,...

Essentials of Arithmetic, Τόμος 3

George Albert Wentworth, David Eugene Smith - 1915
...terms are called the means. In the proportion ^ = ^-|, we see that 7 x 15 = 3 x 35. That is, in any proportion, The product of the means equals the product of the extremes. We also see that if x : 21 = 35 : 105, x 35 21 = 105' then * = 21 x 35 Therefore, in any proportion,...

Essentials of Arithmetic: Grammar School Book

George Wentworth, David Eugene Smith - 1915 - 563 σελίδες
...terms are called the means. In the proportion | = £I, we see that 7 x 15 = 3 x 35. That is, in any proportion, The product of the means equals the product of the extremes. We also see that if x : 21 = 35 : 105, x 35 or — = - , 21 105 ., 21 x 35 then Z = Therefore, in any...

School Algebra: First-[second], Τόμος 2

Henry Lewis Rietz, Arthur Robert Crathorne, Edson Homer Taylor - 1915
...J:x = x: 10 - x. 37. (1 - x) : (1 + x) = (2 - x) : (2 + x). 60. Properties of proportions. I. In any proportion, the -product of the means equals the product of the extremes. For, in a _ с when we multiply each member by bd, we obtain ad = be. TT T. а с , ... , ab II. If...

Elementary Algebra

George William Myers, George Edward Atwood - 1916 - 338 σελίδες
...of Proportionality. The equation, ad = bc, furnishes the test of proportionality, which is: In any proportion the product of the means equals the product of the extremes. Exercise 126 Test whether the following expressions are proportions: I- A=tt 2. 1 = -V3- 3. f = ff...

Complete Algebra

Herbert Ellsworth Slaught, Nels Johann Lennes - 1917 - 624 σελίδες
...fractional form, - = c, we clear ba of fractions and obtain ad = be. That is : If four numbers are in proportion, the product of the means equals the product of the extremes. Case II : • 6 : a : : d : c. We are to show that if - = -, then- = -. bdac Proof. From Case I, we...

Advanced Algebra

William Charles Brenke - 1917 - 196 σελίδες
...т = - or oc = b2 we have b = ± Vac. Also, с is called the b с 114. Laws of Proportion. 1. In a proportion, the product of the means equals the product of the extremes. 2. If two products, each containing two factors, are equal, either pair of factors may be taken as...




  1. Η βιβλιοθήκη μου
  2. Βοήθεια
  3. Σύνθετη Αναζήτηση Βιβλίων
  4. Λήψη PDF