reciprocal mathematical definition
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Definitions &Translations Wiktionary(0.00 / 0 votes)Rate this definition: 1  reciprocal(Noun) Of a number, the number obtained by dividing 1 by the given number; the result of exchanging the numerator and the denominator of a fraction. 0.5 is the reciprocal of 2.
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Reciprocal So, for example the reciprocal of 4 is one quarter: To find the reciprocal of a fraction, simply exchange the top and bottom of the fraction (numerator and denominator).o, for example the reciprocal of 4 is one quarter: To find the reciprocal of a fraction, simply exchange the top and bottom of the fraction (numerator and denominator).
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- Mathematics. ( 1 of a proportion) containing terms of which an increase in one results in a decrease in another. A term is said to be in inverse proportion to another term if it increases (or decreases) as the other decreases (or increases). 2  of or relating to an inverse function. Compare direct (def 16).
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reciprocal (rɪˈsɪprəkəl) adj. 1. of, relating to, or designating something given by each of two people, countries, etc, to the other; mutual: reciprocal friendship; reciprocal trade. 2. given or done in return: a reciprocal favour. 3. (Grammar) (of a pronoun) indicating that action is given and received by each subject; for example, each other in the sentence they started to shout at each other. 4. (Mathematics) maths of or relating to a number or quantity divided into one.
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- Best Answer: Hi, For this question, you need to recall that the reciprocal follows this general form: reciprocal of a = 1 / a Therefore, reciprocal of 7 is 1 / 7 or choice C. I hope that helps you out! Please let me know if you have any other questions!
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Reciprocal Saw What Is a Reciprocal Saw. The reciprocal saw uses a reciprocating (alternating direction) motor to move a blade back and forth. It is a larger horizontal version of the electric saber saw. Blades are available for cutting wood, metal, plastic, and drywall/plaster. Weighing 6-8 pounds, the reciprocal saw typically has a second handle near the front for steadying the saw as it cuts.
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Mathematical proof In mathematics, a proof is a deductive argument for a mathematical statement. In the argument, other previously established statements, such as theorems, can be used. In principle, a proof can be traced back to self-evident or assumed statements, known as axioms.onsider two even integers x and y. Since they are even, they can be written as x = 2 a and y = 2 b, respectively, for integers a and b. Then the sum x + y = 2 a + 2 b = 2(a + b). Therefore x + y has 2 as a factor and, by definition, is even.
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- In a moment, we are going to divide fractions by fractions by finding the reciprocal of the second fraction and multiplying them together, but let’s look at some reciprocals first: 1  The reciprocal of 3/4 is 4/3.2  The reciprocal of 7/5 is 5/7. 3  The reciprocal of 1/2 is 2/1, or 2.n a moment, we are going to divide fractions by fractions by finding the reciprocal of the second fraction and multiplying them together, but let’s look at some reciprocals first: 1  The reciprocal of 3/4 is 4/3.
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Algebra 1 - Definitions Associative Property: When three or more numbers are multiplied, the product is the same regardless of the grouping of the factors. For example (2 * 3) * 4 = 2 * (3 * 4). Multiplicative Identity Property: The product of any number and one is that number. For example 5 * 1 = 5.
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Reciprocal teaching Reciprocal teaching. Reciprocal teaching is an instructional activity that takes the form of a dialogue between teachers and students regarding segments of text for the purpose of constructing the meaning of text. Reciprocal teaching is a reading technique which is thought to promote students' reading comprehension. A reciprocal approach provides students with four specific reading strategies that are actively and consciously used to support comprehension: Questioning, Clarifying, Summarizing, and Predicting.
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Motivation Problems Multiplicative Inverse or Reciprocal. When the product of two numbers is one, they are called reciprocals or multiplicative inverses of each other. For example, and are reciprocals because. This is the motivation for the following property of fractions.where a and b are nonzero.The fraction is called the multiplicative inverse of (or reciprocal) and vice versa. Notice that a reciprocal (multiplicative inverse) can be formed from any common fraction by exchanging the positions of the numerator and denominator.The reciprocal of is, of is, and is.hen the product of two numbers is one, they are called reciprocals or multiplicative inverses of each other. For example, and are reciprocals because. This is the motivation for the following property of fractions.
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Fraction (mathematics) The reciprocal of a fraction is another fraction with the numerator and denominator exchanged. The reciprocal of 3 7 {\displaystyle {\tfrac {3}{7}}} , for instance, is 7 3 {\displaystyle {\tfrac {7}{3}}} .
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Density The reciprocal of the density of a substance is occasionally called its specific volume, a term sometimes used in thermodynamics.
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Similarity (geometry) In particular, corresponding angles have the same measure, and corresponding sides have the same length. converse. close window. Converse means the if and then parts of a sentence are switched. For example, If two numbers are both even, then their sum is even is a true statement.
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reciprocal Definition of reciprocal. 1  1a : inversely related : oppositeb : of, constituting, or resulting from paired crosses in which the kind that supplies the male parent of the first cross supplies the female parent of the second cross and vice versa. 2  2 : shared, felt, or shown by both sides.
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- Hypernyms (reciprocal is a kind of...): inverse; opposite (something inverted in sequence or character or effect) Domain category: math; mathematics; maths (a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement)
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How to Divide Fractions by a Whole Number 6. Multiply the numerators and denominators of the fractions. Therefore, the next step is to multiply the numerators and denominators of the fraction to get the new numerator and denominator of the final answer. 1  To multiply the numerators, just multiply 2 x 1 to get 2.. Write the reciprocal of the whole number. To find the reciprocal of a number, simply switch the numerator and the denominator of the number. Therefore, to find the reciprocal of 4/1, simply switch the numerator and denominator so that the number becomes 1/4.
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- Best Answer: let x be the number 9 times the reciprocal of a number is 9/x x ÷ 9/x = 1 x • x/9 = 1 x²/9 = 1 x² = 9 x = 3 or -3. Source(s): gohpihan · gôhpihán 6 years. Ago thumbs. upeport Abuse. call the number n then 9 times its reciprocal = (9/n) The qotient of those two numbers is: n/(9/n) now set that equal to 1 and solve. n/(9/n)=1 multiply top and bottom by the LCD of n to get: n^2/9=1 now cross multiply and get: n^2=9 so n= +/-sqrt(9) Hope this helps. Susan · 6 years ago.
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Multiplicative inverse In mathematics, a multiplicative inverse or reciprocal for a number x, denoted by 1/ x or x −1, is a number which when multiplied by x yields the multiplicative identity, 1. The multiplicative inverse of a fraction a / b is b / a.For the multiplicative inverse of a real number, divide 1 by the number.For example, the reciprocal of 5 is one fifth (1/5 or 0.2), and the reciprocal of 0.25 is 1 divided by 0.25, or 4.he notation f −1 is sometimes also used for the inverse function of the function f, which is not in general equal to the multiplicative inverse. For example, the multiplicative inverse 1/(sin x) = (sin x)−1 is different from the inverse sin of x, denoted sin−1 x or arcsin x.
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Reciprocal teaching Palincsar (1986) believes the purpose of reciprocal teaching is to facilitate a group effort between teacher and students as well as among students in the task of bringing meaning to the text. Reciprocal teaching is best represented as a dialogue between teachers and students in which participants take turns assuming the role of teacher.- Annemarie Sullivan Palincsar Reciprocal teaching is most effective in the context of small-group collaborative investigation, which is maintained by the teacher or reading tutor.
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Reciprocal Method of Cost Allocation â Service Department Costing Definition: Reciprocal method is a method of allocating service department costs to other departments that gives full recognition to interdepartmental services.,800. The service departments costs are to be distributed as under: Cost of X: 50% to A, 40% to B, and 10% to Y. Cost of Y: 40% to A, 40% to B, and 20% to X. Required: Transfer the service departments costs to each other and to producing departments.
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Inversion The reciprocal of a number. Definitions multiplicative inverse. The reciprocal of a number.
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TO THE DESIGN THRUST BLOCKS FOR BURIED PRESSURE PIPELINES Two polyhedra are reciprocal when the faces and vertices of one correspond to the vertices and faces of the other. SX may be also divided externally at A', so that SA'/A'X = e, since e is less than unity; the points A and A' are the vertices, and the line AA' the major axis of the curve.
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- The law of reciprocal proportions was proposed by Jeremias Ritcher in 1792. It states that, If two different elements combine separately with the same weight of a third element, the ratio of the masses in which they do so are either the same or a simple multiple of the mass ratio in which they combine..
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Reciprocal Verbs and Reciprocal Pronouns Reciprocal Verbs and Reciprocal Pronouns. Quick Answer. Reciprocal verbs show that two or more people are performing an action on one another. Reciprocal pronouns, which are always plural, indicate who is performing the reciprocal action.
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reciprocal adj. 1  Of or relating to a neuromuscular phenomenon in which the excitation of one group of muscles is accompanied by the inhibition of another. 2  Of or being a pair of crosses in which the male parent in one cross is of the same genotype or phenotype as the female parent in the other cross.