MATH ASSIGMENT

Show your work for the pictures and the work below thank you :)

20. A square has an area of 196 square meters. What is the length of one 21. Yo. a car drives 100 km in 2 hours, what's the average speed? 22. If a square has a perimeter of 40 meters. what's the length of one side? 23. Yo. a guy has 50 bucks and he wants to but.r a shirt for 20 bucks and some jeans for 40 bucks, how much change does he get? 24. If a rectangular eld is 200m long and 100m wide. what's the area of the eld? 25. If a triangle has a base of 8 meters and a height of 10 meters, what's the area of the triangle? 26. Yo. a man walks 10 km in 2 hours. what's his average speed? 2?. If a cylinder has a height of 10 meters and a radius of 5 meters. what's the volume of the cylinder? Question 11: Show that the relation R in the set A of paints in a plane given by R = {[P, Q}: distance [if the paint P from the origin is same as the distance at the paint Q from the cirigin}, is an equivalence relatien. Further, show that the set tif all point related ta a point P = (D, D) is the circle passing thraugh P with origin as centre. \fQuestion 9: Show that each of the relation R in the set A = {x E 3105 512} {i} R = [(e b} : |a - b|i5 a multiple 0\"} . given by (\"J R ={{u. h]:a=b} is an equivalence relation. Find the set of all elements. related to 1 in each case. \fQue5tion 11: Let f: R ..,. R be defined 35 x} = x\". Choose the correct answer. {A} f is. oneone onto {E} f is. manyone onto {E} f is oneone but not onto (D) fis neither oneone nor onto \f\fQuestion 3: Let A and B be sets. Show that f: A x B . B >