math unit fractions

A square matrix A=[a i j ] n x n is called an identity or unit matrix if (2) a i j =1 for all i = j In other words a square matrix each of whose diagonal elements is unity and each of whose non-diagonal elements is equal to zero is called an identity or unit matrix. The..

Row Matrix, Column Matrix, Square Matrix, Diagonal Matrix, Scalar Matrix, Identity or Unit Matrix, Null Matrix or Zero Matr..

Question: Find n, if P(n-1,3): P(n+1,3):: 5 : 12. Answer: n = 8 (as n cannot be a fraction..

A manufacturer found that there were 25 defective units out of the 180 sample units. Find the decimal number which is equivalent to the fraction of the defective units to the total number of sample units. => 0.33 or 0.17 or 0.23 or 0.13..

The circle graph represents the percentage of private schools in the United States, which collect annual tuition fee. Find the fraction of the schools with an annual tuition fee of $1501 to $2500. => 3 20 or 13 20 or 1 20 or 9 20..

The total school enrollment in the United States in the year 2001 was about 120 million. The total Secondary school enrollment is about 75 million. What fraction of the students are there in the Secondary school education? Write the fraction in simplest form using G.C...

Every fraction with denominator 10 can be written in decimal notation. 1/10 can be written as 0.1 in decimal notation.The dot represents the decimal point and it come between the units place and the tenths place. One will read this as zero point on..

Whole numbers - read, write, count Place value (whole numbers) Decimals, fractions, percents; compose/decompose numbers Unit and same denominator fractions Equivalent fractions Negative numbers Positive numbers Addition and subtraction Factors and p..

Find the fraction which becomes when the denominator is increased by 5 and is equal to when the numerator is diminished by 4. Let the fraction by When y is increased by 5, fraction becomes or 2x = y +..

A fraction is a part of the whol..