Total # Posts: 12
Mercy must obtain an average mark of at least 85 to get an A grade in her mathematics examination,out of the four examinations she obtained 80,85 and 82 in the first three. Find the mark she must obtain on the fourth examination of to enable her get an A grade.
June 11, 2016
A flag pole and a building stand on the same horizontal level from a point P at the bottom of the building the angle of elevation of the top T of the flag pole is 68 degree.From the top Q of the building the angle of elevation of the point T is 28 degree.If the building is 20m...
May 19, 2016
A tennis player makes a return at a speed of 18m/s and at a height of 3m to land in the court at a horizontal distance of 12m from her. What are the possible angles of projection of the wall
May 14, 2015
The brain can be studied using: A. electrical, biochemical and magnetic means. B. radio frequencies, computers, and neurotransmission. C. neurotransmitting, electrical, and biochemical means D. biochemical, neurotransmitting, and magnetic means. I think its A, but not so sure ...
October 10, 2013