Mathematics
Solve :
13x - 5 < 15x + 4 < 7x + 12, x ∈ R. Represent the solution set on a real number line.
Related Questions
In the given figure, PQ is a chord of a circle with center O and PT is the tangent at point P. If angle QPT = 60°, then find angle PRQ where R is a point on the circle.
The following table shows a record of the weights, in kilogram, of 100 pupil. Find the mean weight.
Weight Number of pupils 50-53 15 53-56 18 56-59 20 59-62 25 62-65 16 65-68 6 P and Q are points on the sides AB and AC of triangle ABC. If AP = 3 cm, PB = 6 cm, AQ = 4.5 cm and QC = 9 cm, show that BC = 3 × PQ.
The speed of a boat in still water is 11 km per hour. It can go 12 km upstream and return downstream to the original point in 2 hours and 45 minutes. Find the speed of stream.