b - 7 = -4
38% of U.S. adults say they are more likely to make purchases during a sales tax holiday. You randomly select 10 adults. Find the ...
area of a circle=
area of a cicle=
three positive number are in the ratio of 2:3:5 the sum of whose square is 950 find the number
r(t) = 2costi +2sintj +tk
Sketch the graph of r(t) and show the direction of in
creasing t.
A÷B
A=(X²-5X+4)
B=(x-1)
Calculate the first four moments of the following distribution about the mean and hence find β1and β2 : 0 1 2 3 4 5 6 7 8f : 1 8 2...
