What this tds
Question
Let A={1,2,3,4.........14}. Define a relation R from A to A by R ={(x,y):3x-y=0 where x,y €A. Write down it's domain and range
A mass is suspended from a sprin balance which is fixed vertically inside a lift. when the lift is accelerated upwards the spring balance records 24N. when the lift is accelerated downwards at twice the upward acceleration the spring balance records 12N. calculate the magnitude of the mass and the value of the upward acceleration of the lift.
Prove that vertical diagonal of a kite bisects the horizontal diagonal at 90°
If 3x 4y less than or equal to 6 and x 3y is less than or equal to 3
Mega went to sale to purchase some pants and skirts. When her friend asked her how many each she had bought,she answered the number of skirts is two less than twice the number of pants purchased. Also the number of skirts is four less than three times the number of pants purchased. Find how many pants and skirts negative bought?
