Grade For This Exam Selles
U 3 4 5 6 7 Grade For This Paper 3 4 5 9 6 7 8 9 Volume of a sphere = ter where r is the radius A container is a hemisphere of radius 30 cm a) Find the volume of the container. 14137.16694 cm3 (1) Sand fills the container at a rate of 4500 cm3 per minute. (2) b) How long, to the nearest minute, will it take to fill the container? 12x30=15 12x 4/3tr2 12x4/3xTTX152 =113 -60 = 1.88mintues Total marks: 3
. your answer will contain x - and y -terms. (1 point) x ( ¿¿ 2 − 7 ) 2 +( y 2 − 9 ) 2 √ ¿ 12. what is the distance from the directrix (the crocodile river) to the point ( x , y )? write this equation. your answer will contain a y -term.
Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?