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Find the probability that somebody is healthy given that they have positive test result?
Find the product of roots of $\dfrac{x^{2002} + 4x^{2001}}{4x^{2000}} = 8$.
Find the product of the roots of the quadratic equation $4x^2 + 2x - 1 = 0$.
Find the quotient of x^3 - x^2 - 5x + 6 divided by x - 2.
Find the radius of curvature of the curve $y = x^3 - 2x^2 + 5x - 3$ at $x = 5$.
Find the radius of the circumscribing circle of the regular octagon having an area of 320 cm2.
Find the slope of the line determined by the points (-3, 4) and (1, -6).
Find the slope of the line passing through the points (2, 6) and (2, -4).
Find the sum of $$ 1 + 2\left( \dfrac{1}{3} \right) + 3\left( \dfrac{1}{3} \right)^2 + 4\left( \dfrac{1}{3} \right)^3 + \ldots + n\left( \dfrac{1}{3} \right)^{n - 1} + \dots $$
Find the sum of the arithmetic sequence 2, 4, 6, 8, 10, 12.
Find the sum of the coefficient of the variables in the expansion of $(2x + 4y - 3)^5$.
Find the sum of the first terms of the progression 2, 4, 8, 16,…
Find the term independent of x in the expansion of a given binomial
Find the term that is independent of x in the expansion of $\left( 2 + \dfrac{3}{x^2} \right)\left( x - \dfrac{2}{x} \right)^6$.
Find the value of $x = \sin^2 \varphi - \cos^2 \varphi$ if $\varphi$ is $\pi / 4$ or $45^\circ$.
Find the value of x
Find the value of x if $x = \dfrac{1 + \tan^2 \phi}{\tan \phi \, \csc^2 \phi}$.
Find the values of b for which the line y = 3x + b and the parabola y^2 = 5x will have no common point.
Find the volume generated by revolving the area on the 1st and 4th quadrants by the ellipse y^2 / 9 + x^2 / 4 = 1 about the line x = 3.
Find the volume of a circular cone having a base radius of 20 cm and axis 30 cm, if the axis makes an angle of 60° from the base.
Find the volume of the tetrahedron bounded by the coordinate planes and the plane $8x + 12y + 4z - 48 = 0$.
Find two consecutive positive even integers such that the square of the second, decreased by twice the first is 124. Find the smaller number.
Find x if the point (x, 2) is equidistant from (3, 2) and (7, 2).
Find x in the expression (x/5)^2/3 = 5.
Find y’ if x = 2 arccos 2t and y = 4 arcsin 2t
Finding The Length Of Parabolic Curve Given Change In Grade Per Station
Finding the sum of sequence
Finding the terminal points
First Order Differential Equation
First Shifting Property | Laplace Transform
Five men and three women are arranged randomly in a row. What is the probability that there are not two women standing together anywhere in the row?
Fixed-end moments of fully restrained beam
Flanged bolt couplings
Flexure Formula
Flexure Formula #525
Floor Framing