5.) Calculate the value of x

In Figure,O is the centre of the circle and /_DAB=50^(@) .Calculate the values of x and y

In given fig., if (x)/(3)=(y)/(4)=(z)/(5) , then calculate the values of x,y and z.

Calculate the value of x in the following expression 6(5x-4)= 16 (5x+1)

Calculate the value of x in the given figure.

If P(5,7), Q(x,-2) and R(-3,y) are collinear points such that PR = 2PQ, calculate the values of x and y.

Carefully study the circuit diagram shown and calculate the value of x . .

If ! = ÷, ^=x, #=+, calculate the value of 32!4^7#5 ?​.

If alpha and beta be the zeros of the quadratic polynomial 2x^(2)+5x+1 , then calculate the value of alpha+beta+alphabeta ?