symbols of math

Let A = [aij] be a square matrix. We can associate with the square matrix A, a determinant which is formed by exactly the same array of elements of the matrix A. A determinant formed by the same array of elements of the square matrix A is called the determinant of the square matrix A and is ..

Permutations - The different arrangements that can be made with a given number of things taking some or all of them at a time are called permutations. The symbol n P r or P(n,r) is used to denote the number of permutations of n things taken r at a tim..

Determinants - Let A = [a ij ] be a square matrix. We can associate with the square matrix A, a determinant which is formed by exactly the same array of elements of the matrix A. A determinant formed by the same array of elements of the square matrix A is called the determinant of the square matrix..

Choose the appropriate symbol to complete the mathematical statement. 66_____0 = 0 => - or × or ÷ or +..

Fill in the blank with the appropriate mathematical symbol that will hold the number sentence true. 332 × 1 ____ 4 × 1 =>> or < or I don′t know. or =..

What is the measure of z, if m x + m y = 180 o ?. => 45 o or 35 o or 75 o or None of the above..

EL ‾ is the bisector of FEB and m LEB is 55. Find m CFQ. => 70 or 55 or 60 or 90..

7 = 2 x and 8 = 3 x . What are the measures of 6, 1 and 3, if the segments AB and CD are parallel? => m 1 = m 3 = 100 o , m 6 = 80 o or m 6 = 108 o , m 1 = m 3 = 72 o or m 6 = 72 o , m 1 = m 3 = 108 o or None of the above..

The circumference of a circle is 2 π r . Find the circumference of the circle, when the radius r is equal to 2. => 4 π or 6 π or 3 π or 5 π..

In 200 tosses of a coin, 104 heads and 96 tails were observed. Using the Yates correction for continuity in the problem, what is the value of c 2 ? 𝒳 => 0.32 or 2.45 or 0.254 or 0.245..