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In the toss of 5 dice, what is the probability of obtaining 2 or fewer ones? What diameter should you make a nichrome wire so its resistance is 0.014 Ω per meter of length? How was J.J Thomas's model of the atom, different then Nagaoka's? Rai V(Xv,Yv,Zv) intersects a sphere on point “B”. O(0,0,0) centre and ‘r’ radius. The mirror vector based on OB passes the point C(0,0,h).B? Without graphing, how many solutions? 4x+y=21, x+2y=2?