Mathematics


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About the Mathematics category [Mathematics] (1)
Two motorcycles head toward each other from opposite ends of a freeway 1120 kilometers long. If the speed of the first motorcycle is 40 kilometers per hour and the speed of the second motorcycle is 30 kilometers per hour [Mathematics] (1)
Simplify the following denominate number. 87 ft. 34 in [Technical Mathematics] (2)
The price of a dvd decreased by 1/4. If the original price was $440. What is the price today? [Technical Mathematics] (2)
John Miller bought a new computer for $3,500. Ron a friend of John's can only afford to pay 3/5 as much as John [Technical Mathematics] (2)
A machinist drills four holes in a straight line. Each hole has a diameter of 1/10 inch and there is 1/4 inch between the holes [Advanced Math] (1)
A sample of n = 9 scores has a variance of s2 = 121 [Advanced Math] (1)
In families with four children, you’re interested in the probabilities for the different possible numbers of girls in a family. [Advanced Math] (1)
How many distinct proper subsets are there of the set N = {1, 43, 65, 18}? [Advanced Math] (1)
Choose the most appropriate completion of the sentence. [Mathematics] (1)
If the correlation coefficient is negative, this means [Mathematics] (1)
The domain of (f/g)(x) [Calculus] (1)
Find the area enclosed by the graph of the polar equation r = 4 sin 3[] [Calculus] (3)
Find the area enclosed by the graph of the polar equation r = 6 cos [] [Calculus] (3)
Find the area enclosed by the graph of the polar equation r = 4 + 2sin [] [Calculus] (3)
Find the area bounded by one loop of the polar equation r = 4 cos 2[] [Calculus] (3)
Write an equation in both rectangular and polar form for the line with slope -1 through (3, -1 ) [Calculus] (3)
Write an equation in both rectangular and polar form for the horizontal line through (2, 5 ) [Calculus] (3)
Write an equation in both rectangular and polar form for the vertical line through (-3, 0 ) [Calculus] (3)
For what values of c are the vectors 3ci - 2j and 4i + cj perpendicular? [Calculus] (3)
Find a vector that has the same direction as 6i - 3j and is (a) four times its length; (b) one third its length [Calculus] (3)
Given a = 2i + 3j, b = 3i + 5j, and c = 8i + 11j express c in the form ra + sb where r and s are scalars [Calculus] (3)
Given a = 5i + 9j and b =12i - 10j, determine whether or not a and b are perpendicular [Calculus] (3)
Given a = <5, 0> and b = <0, 9>, determine whether or not a and b are perpendicular [Calculus] (3)
Describe the graph of the equation y = 5 using plain, clear language [Calculus] (3)
Do the points P(0, -5, 1 ), Q(1, 10, 4 ), and R(6, 8, -1 ) lie in a straight line? [Calculus] (3)
Find (to the nearest degree) each angle of the triangle with vertices A(1, 2, 3 ), B(4, 1, 3 ), and C(1,2, 6 ) [Calculus] (3)
Find (to the nearest degree) each angle of the triangle with vertices A(1, 1, 1 ), B(0, 0, 3 ), and C(4, -1, -3 ) [Calculus] (3)
Given the points A(1, 3, -4 ), B(3, 8, 6 ), C(-1, 2, -4 ) and D(-4, 4, -5 ), determine whether or not the points are coplanar. If not, find the volume of the pyramid formed with these points as its vertices [Calculus] (3)
Given the points A(3, 1, 2 ), B(4, 2, 1 ), C(5, 4, 0 ) and D(7, 6, 6 ), determine whether or not the points are coplanar. If not, find the volume of the pyramid formed with these points as its vertices [Calculus] (3)