If the mean of the numbers `x-50, x-20`, `x-10, x+15, x+25, x+40` is `60 .` What is the value of `x ?`

If (h,k) lies on 9x + 40y - 20 = 0 , what is the value of 9h + 40k ?

Given that f(x)=2x^2-3x .What is the value of f(x+2)

What are the numbers x , for which |x-2|+|x-8|=10 ?

If the median of (x)/(5), x, (x)/(4), (x)/(2), (x)/(3) (x gt 0) is 8, then the value of x is

What are the numbers x , for which |x-2|+|x-8|=6 ?

If the means of a set of observations x_(1), x_(2),…..x_(10) is 20, then the mean of x_(1)+4, x_(2)+8, x_(3)+12,….x_(10) +40 is

If A=[(x,x-1),(2x,1)] and if det A = -9, then the value of x are

If x= 3+i , then find the value of x^(3)-3x^(2)-8x+15

a) What is the number which gives midpoints of the points denoted by the numbers x and y on the number line. b) If the numbers x and y are thought of as points on a number line, what is the geometrical meaning of |x-y| ? c) .Find those x satisfying each of the equations below. i) |x-1|=|x-3| ii) |x-1|=|x+3| ifi) |x+1|=|x-3|