Yadlay
Most popular questions and responses by Yadlay
geometry
A triangle has a 56degree angle, formed by a 10inch side and an xinch side. Given that the area of the triangle is 18 square inches, find x.
asked on April 11, 2010 
math
A counterclockwise quarterturn Q about the origin is applied to the point (x, y). What are the coordinates of the image point? Answer in the form Q(x, y) = (ax + by, cx + dy).
asked on April 11, 2010 
Geometry
Consider again the sphere of radius 5 centered at (2, 3,−6). Describe the intersection of the sphere with the xzplane. Write an equation (or equations) for this curve.
asked on April 17, 2010 
Mathmatics
The highway department keeps its sand in a conical storage building that is 24 feet high and 64 feet in diameter. To estimate the cost of painting the building, the lateral surface area of the cone is needed. To the nearest square foot, what is the area?
asked on April 13, 2010 
geometry
Draw the unit circle and a firstquadrant ray from the origin that makes an angle theta with the positive xaxis. Let B be the point on this ray whose xcoordinate is 1, and let A = (1, 0). Segment AB is tangent to the circle. In terms of theta, find its
asked on April 13, 2010 
geometry
Draw the unit circle and a firstquadrant ray from the origin that makes an angle è with the positive xaxis. Let B be the point on this ray whose xcoordinate is 1, and let A = (1, 0). Segment AB is tangent to the circle. In terms of è, find its length.
asked on April 12, 2010 
matrices
Two matrices can be multiplied only if their sizes are compatible. Suppose that U is an m × n matrix, and that V is a p × q matrix. In order for U•V to make sense, what must be true of the dimensions of these matrices? Although matrix multiplication
asked on April 13, 2010 
math
Two matrices can be multiplied only if their sizes are compatible. Suppose that U is an m × n matrix, and that V is a p × q matrix. In order for U•V to make sense, what must be true of the dimensions of these matrices? Although matrix multiplication
asked on April 15, 2010

geometry
Reiny,help, how do I find the following (d) Find the sizes of the other two angles of triangle PQR. (e) Find the length of the median drawn to side PQ. (f) Find the length of the bisector of angle R. (g) Find the third side of another triangle that has a
posted on April 15, 2010