Practical Mathematics: Instruction Paper, Volume 3American school of correspondence, 1912 |
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Page 84
... decimal like .71 to a power , care should be taken to correctly place the decimal point . In the answer to this problem there will be six places to be pointed off , thus bringing the decimal point before the 3 . .71 .71 71 497 .5041 .71 ...
... decimal like .71 to a power , care should be taken to correctly place the decimal point . In the answer to this problem there will be six places to be pointed off , thus bringing the decimal point before the 3 . .71 .71 71 497 .5041 .71 ...
Page 86
... decimal point , ob- taining for the whole number the periods , 1 , 87 , and 63 , and for the decimal the periods , 89 and 10. In the solution given in the margin only the complete divisor is shown . If this process is not clear , refer ...
... decimal point , ob- taining for the whole number the periods , 1 , 87 , and 63 , and for the decimal the periods , 89 and 10. In the solution given in the margin only the complete divisor is shown . If this process is not clear , refer ...
Page 87
... decimal . 4. Find the square root of 3 to three decimal places . .035 .00 12 25 9 65 ) 325 325 SOLUTION . Add ciphers at the right of the decimal point and separate into periods as usual . 1.732 3.00 00 00 1 27 ) 200 189 343 ) 1100 1029 ...
... decimal . 4. Find the square root of 3 to three decimal places . .035 .00 12 25 9 65 ) 325 325 SOLUTION . Add ciphers at the right of the decimal point and separate into periods as usual . 1.732 3.00 00 00 1 27 ) 200 189 343 ) 1100 1029 ...
Page 88
... decimal form and find the required root as before . If the quantity is a mixed quantity change to decimal form before extracting the root . The following solutions will illustrate these principles : Examples . 1. Find the square root of ...
... decimal form and find the required root as before . If the quantity is a mixed quantity change to decimal form before extracting the root . The following solutions will illustrate these principles : Examples . 1. Find the square root of ...
Page 89
... decimal places . .61+ .37 50 36 121 ) 150 121 29 3 Hence , = V.375 = .61+ Ans . 8 PROBLEMS FOR PRACTICE Find the square root of 49 1 . 4 . 169 27 2 . Ans . .041+ 5 . 15625 61840 9 64 81a 3 . 6 . 81 12161 Ans . .79 + RATIO AND PROPORTION ...
... decimal places . .61+ .37 50 36 121 ) 150 121 29 3 Hence , = V.375 = .61+ Ans . 8 PROBLEMS FOR PRACTICE Find the square root of 49 1 . 4 . 169 27 2 . Ans . .041+ 5 . 15625 61840 9 64 81a 3 . 6 . 81 12161 Ans . .79 + RATIO AND PROPORTION ...
Common terms and phrases
altitude base called characteristic circle circumference column cone conical surface cube root cubic curve shows cylinder decimal point denominator divided dividend division divisor example feet long feet per second figure Find the area Find the cube Find the logarithm Find the number Find the square Find the volume fraction given gives horizontal axis horizontal values horsepower hypotenuse kilowatt lateral area mantissa miles per hour Move the slide multiplied number of digits number of sides obtained P₁ parallelogram parallelopiped perpendicular Plot the curve polygon prism PROBLEMS FOR PRACTICE proportion pulley pyramid quadrilateral quantity quotient radius Remove the parenthesis rhombus right angles right triangle scale slant height slide rule SOLUTION spaces sphere square root straight line subtracting surface tangent term total area Transposing tungsten vertex vertical axis vertical values whole number zero
Popular passages
Page 126 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Page 115 - A circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center.
Page 105 - Every circumference of a. circle, whether the circle be large or small, is supposed to be divided into 360 equal parts called degrees. Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.
Page 115 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : 16. And this point is called the centre of the circle.
Page 135 - If the characteristic is negative, make the number of zeros between the decimal point and the first significant figure of the corresponding number one less than the number of units in the characteristic.
Page 125 - The altitude of a cone is the perpendicular distance from the vertex to the base.
Page 135 - If the number is less than 1, make the characteristic of the logarithm negative, and one unit more than the number of zeros between the decimal point and the first significant figure of the given number.
Page 133 - The logarithm of the root of a number is found by dividing the logarithm of the number by the index of the root.
Page 87 - ... subtract the product from the dividend, and to the remainder annex the next period for the next dividend.
Page 106 - Polygons are classified according to the number of sides. A triangle is a polygon of three sides. A quadrilateral is a polygon of four sides. A pentagon is a polygon of five sides. A hexagon is a polygon of six sides.