Mathematics, 19.07.2019 00:40, stmy1969
Uestion 3 the position vectors of three points a, b and c with respect to a fixed origin o are (2,-2, 1), (4, 2, 1) and (1, 1, 3) respectively (a) write down unit vectors in the direction of lines ca and cb and calculate the of angle acb, in degrees, to 1 decimal place. (b) the midpoint of ab is m. find a vector equation of straight line passing through c and m (c) show that ab and cm are perpendicular. (d) find the position vector of point n on the line cm such that angle
Answers: 2
Mathematics, 21.06.2019 22:30, sanociahnoel
Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
Answers: 3
Mathematics, 21.06.2019 23:40, aureliafung2p7cxoo
Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?
Answers: 1
Mathematics, 22.06.2019 02:20, marandahuber
The diagram shows a cuboid abcdefgh abcd is a square with area 25cm². find the volume of the cuboid.
Answers: 3
Uestion 3 the position vectors of three points a, b and c with respect to a fixed origin o are (2,-2...
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