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Revision for II Unit Test [50 mks] If a sum of money becomes 915 Rs
... speed of 4km/hr. If he takes 21 minutes for the total journey, find the distance between his house and the school. [ans :0.6km] 25. The ten’s digit of a two digit number is 3 times the units digit.when the digits are reversed we get 36 less than the number.find the original number.[ans:62] ...
... speed of 4km/hr. If he takes 21 minutes for the total journey, find the distance between his house and the school. [ans :0.6km] 25. The ten’s digit of a two digit number is 3 times the units digit.when the digits are reversed we get 36 less than the number.find the original number.[ans:62] ...
On square sum graphs
... Cn1 : u1 , u2 , . . . , un , u1 and Cn2 : v1 , v2 , . . . , vn , v1 be the first two copies of Cn , where u1 v1 be the path P2 joining Cn1 and Cn2 . Define f : V (G) → {0, 1, 2, . . . , kn − 1} as follows. Start from vertex u1 of Cn1 , visit all the vertices of Cn1 using BFS algorithm and label the ...
... Cn1 : u1 , u2 , . . . , un , u1 and Cn2 : v1 , v2 , . . . , vn , v1 be the first two copies of Cn , where u1 v1 be the path P2 joining Cn1 and Cn2 . Define f : V (G) → {0, 1, 2, . . . , kn − 1} as follows. Start from vertex u1 of Cn1 , visit all the vertices of Cn1 using BFS algorithm and label the ...
Solutions - Mu Alpha Theta
... 6. A Find the probability of a bronze trophy being drawn from box X and a gold trophy being drawn from box Y or a gold trophy being drawn from box X and a gold trophy being ...
... 6. A Find the probability of a bronze trophy being drawn from box X and a gold trophy being drawn from box Y or a gold trophy being drawn from box X and a gold trophy being ...
Chapter 2, Section 2.4
... Consider a positive integer k. Since k = 1*k and k = k*1 we can see that it is always the case that 1 | k and k | k. That is, every positive integer has at least 2 divisors, 1 and itself. [except 1] Some positive integers, such as 7, have only these two positive integer divisors. No other positive ...
... Consider a positive integer k. Since k = 1*k and k = k*1 we can see that it is always the case that 1 | k and k | k. That is, every positive integer has at least 2 divisors, 1 and itself. [except 1] Some positive integers, such as 7, have only these two positive integer divisors. No other positive ...
Math Vocabulary - Fractions and Decimals
... 1. Fraction –a number that names a part of a whole, a part of a collection, or a part of a region. Ex. 1/3, ½, or 2/3. 2. Mixed number- a number containing a whole number part and a fraction part. Ex. 3 1/4 3. Improper fraction- a fraction that is greater than or equal to 1. The numerator in an impr ...
... 1. Fraction –a number that names a part of a whole, a part of a collection, or a part of a region. Ex. 1/3, ½, or 2/3. 2. Mixed number- a number containing a whole number part and a fraction part. Ex. 3 1/4 3. Improper fraction- a fraction that is greater than or equal to 1. The numerator in an impr ...
2006_30
... and the integer itself resulted in the definition of perfect numbers (A number which is equal to the sum of its proper divisors e.g 6, 28). Thus mathematicians defined an interesting function, an arithmetical function: Sum of proper divisors of an integer. This arithmetical function is related to th ...
... and the integer itself resulted in the definition of perfect numbers (A number which is equal to the sum of its proper divisors e.g 6, 28). Thus mathematicians defined an interesting function, an arithmetical function: Sum of proper divisors of an integer. This arithmetical function is related to th ...
Addition
Addition (often signified by the plus symbol ""+"") is one of the four elementary, mathematical operations of arithmetic, with the others being subtraction, multiplication and division.The addition of two whole numbers is the total amount of those quantities combined. For example, in the picture on the right, there is a combination of three apples and two apples together; making a total of 5 apples. This observation is equivalent to the mathematical expression ""3 + 2 = 5"" i.e., ""3 add 2 is equal to 5"".Besides counting fruits, addition can also represent combining other physical objects. Using systematic generalizations, addition can also be defined on more abstract quantities, such as integers, rational numbers, real numbers and complex numbers and other abstract objects such as vectors and matrices.In arithmetic, rules for addition involving fractions and negative numbers have been devised amongst others. In algebra, addition is studied more abstractly.Addition has several important properties. It is commutative, meaning that order does not matter, and it is associative, meaning that when one adds more than two numbers, the order in which addition is performed does not matter (see Summation). Repeated addition of 1 is the same as counting; addition of 0 does not change a number. Addition also obeys predictable rules concerning related operations such as subtraction and multiplication.Performing addition is one of the simplest numerical tasks. Addition of very small numbers is accessible to toddlers; the most basic task, 1 + 1, can be performed by infants as young as five months and even some non-human animals. In primary education, students are taught to add numbers in the decimal system, starting with single digits and progressively tackling more difficult problems. Mechanical aids range from the ancient abacus to the modern computer, where research on the most efficient implementations of addition continues to this day.