Principles and Applications of Mathematics for Communications-electronicsHeadquarters, Department of the Army, 1992 |
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Página 13
... equal to the ratio 4 : 1 . Example 1 : What is the ratio of 6 : 2 ? 6 2 = 3 , or 3 : 1 Example 2 : What is the ratio ... equal to the value of another ratio , they are said to be in proportion . For example , the ratio 3 : 6 is equal to ...
... equal to the ratio 4 : 1 . Example 1 : What is the ratio of 6 : 2 ? 6 2 = 3 , or 3 : 1 Example 2 : What is the ratio ... equal to the value of another ratio , they are said to be in proportion . For example , the ratio 3 : 6 is equal to ...
Página 13
... equals the product of the extremes . Example 1 : 3:49:12 . 3 X 12 = 36 ( product of ex- tremes ) 4 X 9 36 ( product of means ) ... equal : 5y = 100 Divide both sides by 5 : By = 20 100 $ $ y = 20 Therefore , 5 10 = 10 20 Example 2 : In the ...
... equals the product of the extremes . Example 1 : 3:49:12 . 3 X 12 = 36 ( product of ex- tremes ) 4 X 9 36 ( product of means ) ... equal : 5y = 100 Divide both sides by 5 : By = 20 100 $ $ y = 20 Therefore , 5 10 = 10 20 Example 2 : In the ...
Página 13
... equal to the inverse of the first ratio , the elements are said to be inversely proportional . b . Two numbers are inversely proportional when one increases as the other decreases . In this case , their product is always the same . In ...
... equal to the inverse of the first ratio , the elements are said to be inversely proportional . b . Two numbers are inversely proportional when one increases as the other decreases . In this case , their product is always the same . In ...
Página 13
... equal the given number . The square root of 25 is 5 , since 5 X 5 or 52 equals 25 . The third root ( cube root ) of 216 is 6 , since 6 × 6 × 6 or 63 equals 216. The fourth root of 81 is 3 , since 3 × 3 × 3 × 3 or 34 equals 81 ...
... equal the given number . The square root of 25 is 5 , since 5 X 5 or 52 equals 25 . The third root ( cube root ) of 216 is 6 , since 6 × 6 × 6 or 63 equals 216. The fourth root of 81 is 3 , since 3 × 3 × 3 × 3 or 34 equals 81 ...
Página 17
... equal to 2 times the square root of R2 + x2 . Only positive numbers are used in arithmeti- cal operations , but both positive and negative numbers may appear in algebraic expressions . The plus sign ( + ) is used to indicate a positive ...
... equal to 2 times the square root of R2 + x2 . Only positive numbers are used in arithmeti- cal operations , but both positive and negative numbers may appear in algebraic expressions . The plus sign ( + ) is used to indicate a positive ...
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20 ohms ac circuit ac series circuit amperes antilog applied voltage base bers binary numbers capacitive reactance Centimeters/second Change Colang Tong complex numbers Cosec Cubic meters current flowing decibels decimal number decimal point denominator digit Divide equal Example exponents factors feet Figure Find the area Find the voltage formula fraction graph hairline hypotenuse inductive reactance Kilometers leads the applied logarithm mantissa Meters/minute Meters/second Microhenrys Miles/hour Miles/minute monomial Multiply negative numbers oblique triangle ohms Ounces avoirdupois Paragraph parallel circuit percent phase angle Plot problem quadratic equation quantity R₁ radians radical radicand ratio rectangle resistor right triangle ABC scale scientific notation series circuit side opposite Simplify slide rule square root Statcoulombs Statvolts Step Subtract Tang Colang tion triangle ABC fig trigonometric functions unknown vector diagram voltage drop volts watts yards zero