, Find out the value of 'X'

A glass bulb contains air and mercury. If the volume of air in bulb is to remain constant at all temperature then the fraction of the volume of the bulb that must be occupied by mercury is x/20 . Find out the value of 'x' (cofficient of linear epansion of glass 9xx10^(-6)K^(-1) , coefficient of volume expansion of mercury is 1.8xx10^(-4) K^(-1) )

The demand function of a commodity x is given by Q_(X) = 20 - 3P_(X) . Find out the values of P_(X) , when corresponding values of Q_(X) are given as : 5, 8, 11 and 14.

Find out the value of 'a'.[a=x+y] H_(2)S_(2)O_(8) on completely hydrolysis gives….x…….mole of H_(2)SO_(4)&…..y……."mole of" H_(2)O_(2) .

Find out the values of x and y 3x-y=2 2x-y=3

Find out the values of x, y and z in the given equation : 2(C_(51)H_(98)O_(6))+xO_(2)rarryCO_(2)+zH_(2)O+ Energy

if cos A=x then find out the value of sin A in terms of x