In the xy-plane, two circles C and R are drawn such that Circle C has its center at the origin and radius equal to 5 and Circle R has its center at (2, 3) and radius equal to 5. Which of the following is the equation of the line that passes through the intersection points of circles C and R?

In the xy-plane, two circles C and R are drawn such that Circle C has its center at the origin and radius equal to 5 and Circle R has its center at (2, 3) and radius equal to 5. Which Leer más…

In the xy-plane, the center of a circle is located at (−8, −11). The point (−8, −8) lies inside the circle, and the point (−11, −7) lies outside the circle. If the circle’s radius is an integer, what is its area?

In the xy-plane, the center of a circle is located at (−8, −11). The point (−8, −8) lies inside the circle, and the point (−11, −7) lies outside the circle. If the circle’s radius is an integer, what is its Leer más…

Given that a straight line in the xy-plane passes through the point (3,48) in the first quadrant and intersects the positive x- and y-axes at points P and Q respectively. Let O designate the origin. Find the minimum value of OP×OQ.

Given that a straight line in the xy-plane passes through the point (3,48) in the first quadrant and intersects the positive x- and y-axes at points P and Q respectively. Let O designate the origin. Find the minimum value of Leer más…

Approximately 90 percent of the volume of a certain cube that is floating in a tank of water is beneath the surface. If 6.4 cubic centimeters of the cube is above the surface of the water, what is the approximate length, in centimeters, of an edge of the cube?

GMAT QUANT Problem Solving, Difficulty: 500 – 600 Level, Geometry VOLUME, CUBE, Percent And Interest Problems, Source: GMAT Prep Approximately 90 percent of the volume of a certain cube that is floating in a tank of water is beneath the Leer más…