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TutorNext's online Math tutoring helps you get the desired edge in acing the subject. Get help in understanding algebra , calculus, pre-calculus, geometry , trigonometry, statistics, probability, linear programming, discrete Mathematics across K-12. Whether you need regular..

In day to day life we use words like a pack of cards, a foot ball team, and herd of sheep to denote collection of objects of a particular kind. In mathematics, we come across words like natural numbers, lines, composite numbers Let us examine some collections: Vowels in Engli..

Solution: Let n(M) = number of students who secured first class marks in Mathematics n(E) = number of students who secured first class marks in English n(M) = 70 n(M $\cup$ E) = 120 n(M $\cap$ E) = 31 Using n(M $\cup$ E) = n(M) + n(E) - n(M $\cap$ E) ..

As we know an equation is a mathematical statement where two expressions are equated. Examples: 2x + 5 = 11 3x - 6 = x + 12 By solution of the above equations we mean finding the values of the variable that satisfies the equation. In this section we will take a look at met..

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As we saw ratios are generally written in the form a : b Its important to write this in the lowest form and also the units have to be same. Example 1 The age of Sam is 10 and that of his mother is 32. What is the ratio between Sam and his mothers age? Solution: Ratio between Sam..

) on one side by itself and a number on the other side of the equals sign. The solution should ultimately look like: x=(any number), where x is the unknown variable and (any number) is what is left over after a series of mathematical functions. For example, if you add 14 to the ..

infinitely many solutions. In this case we say that the equations are dependent equations. To help you to remember easily, the above can be summarised diagrammatically as v under: - System: AX= B Find | A | -^-:-1 \A 1*0 M | = o Unique ..

(i) In how many ways can 4 books on Mathematics and 3 books on English be placed on a shelf so that books on the same subject always remain together ? (ii) 7 candidates are to be examined - 2 in Mathematics and the remaining in different subjects. In how many ways can they ..

The term "pH" is defined as the negative logarithm of H + ion concentration of a given solution; the concentration being expressed as moles per litre. Mathematically pH = - log [H + ] 'pH' stands for: Power of hydrogen ion concentration, 'p' for power and 'H' for H + ion c..