Essential Mathematics for Skilled WorkersJ. Wiley & Sons, Incorporated, 1942 - 293 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 3 από τα 41.
Σελίδα 10
... Check problems 1 to 6 by multiplication . Check problems 7 to 9 by addition . RECTANGLES Area L W 1. 105.4321 20.801 2 . 77.8621 35.606 3 . 5.8412 7.843 4 . 10.907 8.327 5 . 0.9820 0.4072 6 . 43.675 3.675 7. 4.001 - - 3.998 . 8. 4.8069 ...
... Check problems 1 to 6 by multiplication . Check problems 7 to 9 by addition . RECTANGLES Area L W 1. 105.4321 20.801 2 . 77.8621 35.606 3 . 5.8412 7.843 4 . 10.907 8.327 5 . 0.9820 0.4072 6 . 43.675 3.675 7. 4.001 - - 3.998 . 8. 4.8069 ...
Σελίδα 39
... Check . 2x = 14 ( subtracting 2x from both members ) x = 7 28 14+ 14 Example 2. 7x 48 5x 12x = - 48 ( adding 5x to both members ) x = 4 28 = 48 Check . Example 3. 4m - - - 20 32 = 2m 4m = 2m = 2m + 32 ( adding 32 to both mem- bers ) 32 ...
... Check . 2x = 14 ( subtracting 2x from both members ) x = 7 28 14+ 14 Example 2. 7x 48 5x 12x = - 48 ( adding 5x to both members ) x = 4 28 = 48 Check . Example 3. 4m - - - 20 32 = 2m 4m = 2m = 2m + 32 ( adding 32 to both mem- bers ) 32 ...
Σελίδα 133
... Check . 20929 20 - 9 = 11 29 = 29 . 11 = 11 NOTE . When one unknown is found , the other may be found by substituting the value found in either of the original equations . Το check simultaneous equations , the values found must check ...
... Check . 20929 20 - 9 = 11 29 = 29 . 11 = 11 NOTE . When one unknown is found , the other may be found by substituting the value found in either of the original equations . Το check simultaneous equations , the values found must check ...
Περιεχόμενα
CHAPTER PAGE | 1 |
QUADRATIC EQUATIONS | 121 |
SIMULTANEOUS EQUATIONS | 132 |
Πνευματικά δικαιώματα | |
8 άλλες ενότητες δεν εμφανίζονται
Άλλες εκδόσεις - Προβολή όλων
Essential Mathematics for Skilled Workers Harry Morton Keal,Clarence J. Leonard Προβολή αποσπασμάτων - 1942 |
Essential Mathematics for Skilled Workers Harry Morton Keal,Clarence J. Leonard Προβολή αποσπασμάτων - 1942 |
Συχνά εμφανιζόμενοι όροι και φράσεις
base bisector cent chord circle Common Logarithms cone cosine crossmark cubic inches cutting speed decimal point Develop a formula Diam dimensions divided division divisor Draw equal sides Evaluate the formula Example EXERCISE exponent feet figure Find the angle Find the area Find the diameter Find the number Find the ratio Find the revolutions Find the sides Find the volume Find the weight following numbers fraction gage blocks gallon gear hexagon horsepower hypotenuse isosceles triangle law of tangents length logarithm mantissa measured miles monomial multiply number of places parallelogram perimeter perpendicular pitch polynomial prism pulley quadratic equation r.p.m. Find radius rectangle revolutions per minute rhombus right triangle rim speed scale sine sine bar slide rule Solution Solve and check square root subtract tabular difference tangent taper thousandths Threads per inch triangle of Fig trinomial square unknown