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Questions (2)
Class A has 8 pupils and class B has 13 pupils.
Both classes sit the same maths test. The mean score for class A is 38. The mean
5 answers
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Is the founder of Jishka, Leo still alive?
Does he use Jishka anymore?
5 answers
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Answers (6)
good that you apologised though ryo asuka
Thank you!
i think maybe 50 and 30 and the rest of the numbers might either be distance or time
1. V^2 = Vo^2 + 2g*h = 0 + 19.6*50 = V = ? 2. 0.5g*t^2 = 50. 4.9t^2 = 50, 3. F = M*g = 2 * 9.8 =
number present: x number absent : 28-x x = 28-x + 6 2x = 34 x = 17 so present = 17, absent = 11
R = ks^2+m 1060 = (80*80)k+m 6400k+m = 1060 ........(i) 1460 = (120*120)k+m 14400k+m = 1460 .........(ii) Solve i and ii simultaneously and get k and m. At 140km/h, R = (140*140)k+m Substitute for k and m and get the resistance at 140km/h
