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Bettina

Questions and answers by visitors named Bettina

Questions (7)

34, 27, 33, 29, 31, 52, 65, 38a) Find the Q1 of these numbers. b) Find the Q3 of these numbers.
1. 1 answer
2. 288 views
SimplifyA.1/root a +2 b.root 18/25 c.root a x cubed root a d.root x + 2 root y/root x-2 root y e.root5 x root72 /root 3
1. 6 answers
2. 643 views
1.an engine develops 65kW over a period of 20minutes. The engine uses 5kg of petrol.Calculate the following:- A. The heat
1. 1 answer
2. 477 views
1.an engine develops 65kW over a period of 20minutes. The engine uses 5kg of petrol.Calculate the following:- A. The heat
1. 1 answer
2. 505 views
Key: logx= log base x1. Prove that: (logx64 +logx4 -logx8)/(logx1024) =1/2 2.factorize by grouping r^2s^2+3t^2+r^2t^2+3s^2
1. 3 answers
2. 1,056 views
1.a train with a mass of 120mg accelerates uniformly on a horizontal track. The resistance to movement is 5N per kN of the mass
1. 1 answer
2. 484 views
1.a ball with a mass 2kg rests on an incline with an angle of 10 degrees. The ball is released to roll down the incline plane
1. 2 answers
2. 591 views