 | Charles Davies - 1861 - 496 σελίδες
...diameter : how much of the radius must each grind off to use Dp his share of the stone ? CUBE ROOT. 387. The CUBE ROOT of a number is one of its three equal factors. Thus, 2 is the cube root of 8 ; for, 2 x 2 x 2 = 8 : and 3 is the cube root of 27 ; for, 3x3x3 = 27.... | |
 | Charles Davies - 1865 - 468 σελίδες
...diameter : how much of the radius must each grind off to use up his share of the stone ? CUBE BOOT. 387. The CUBE ROOT of a number is one of its three equal factors. Thus, 2 is the cube root of 8 ; for, 2 x 2 x 2 = 8 : and 3 is the cube root of 27 ; for, 3 X 3 X 3... | |
 | John Fair Stoddard - 1888 - 480 σελίδες
...number is one of its two equal factors. Thus, 5 is the square root of 25 = 5x5. Hie Third Root, or Cube Root of a number is one of its three equal factors. Thus, 5 is the cube root of 125=5x5x5. 416. Tlie Radical Signs V~ , or V~~, V~, V~ , etc., and 2, ^,... | |
 | John Fair Stoddard - 1868 - 428 σελίδες
...number is one of its two equal factors. Thus, 5 is the square root of 25 = 5x5. Tlie Third Root, or Cube Root of a number is one of its three equal factors. Thus, 5 is the cube root of 125=5x5x5. 416. TJie Radical Signs V~, or V~, V~, V~ , etc., and 2, J,... | |
 | Henry Bartlett Maglathlin - 1872 - 338 σελίδες
...is one of its two equal factors. Thus, • The square root of 25 = 5 ; since 5x5 = 25. The Third, or Cube Root of a number is one of its three equal factors. Thus, The cube root of 125 = 5 ; since 5X5X5 = 125. 390. The Badical Sign, «/, or Fractional Exponents,... | |
 | William Guy Peck - 1875 - 348 σελίδες
...Ans. 12.36931 to within .00001. 10. 101. Ans. 10.04987 to within .00001. Cube Root of Numbers. 111. The cube root of a number is one of its three equal factors. Thus, 27 = 3 x 3 x 3; hence, 3 is the cube root of 27; also, 4 is the cube root of 64, because 4 x... | |
 | Edward Brooks - 1876 - 588 σελίδες
...depends upon the number of equal factors. The .-square root of a number is one of its two equal factors. The cube root of a number is one of its three equal factors, etc. These definitions are regarded as an improvement upon the old ones, that the square root of a... | |
 | William Guy Peck - 1877 - 430 σελίδες
...what will it cost to build a wall around, if each rod of wall cost $2 ? Ans. $1,280. CUBE ROOT. 263. The Cube Root of a Number is one of its three equal factors. Thus, 5 is the cube root of 125. If a number is not a perfect cube, its cube root is only approximate.... | |
 | Albert Newton Raub - 1877 - 348 σελίδες
...perfect square when its square root can be taken ; that is, when it consists of two equal feetors. 297. The Cube Root of a number is one of its three equal factors. 298. A number is said to be a perfect cube when it is composed of three equal factors. 299- The radical... | |
 | Edward Brooks - 1877 - 528 σελίδες
...a number is one of its two equal factors ; thus, since 2x2=4, 2 is the 2d root of 4. 163. The Third Root of a number is one of its three equal factors ; the 4th root is one of its 4 equal factors, etc. 164. The Symbol of roots is the radical sign v/ ; a small... | |
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The cube root of a number is one of its three equal factors. Thus, 4 is the cube root of 64. 
