28-y+9
find out whether the following pair of linear bi 5. On comparing the ratios (1, a and a b₂ C equations are consistent, or inconsistent. (i) 3x + 2y = 5; 2x – 3y = 7 3 5 =x + y = 7; 9x – 10y= 14 2 3 (ii) 2x – 3y = 8; 4x - 6y = 9 (iv) 5x – 3y = 11; - 10x+6y=-22 4 (v) = x + 2y = 8 ; 2x + 3y = 12 3 Which of the following pairs of linear equations are consistent/inconsistent? If consistent, obtain the solution graphically:
Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?
Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano