- Evaluate: 4 sigma j =1 (1/5)^j?

Discover Questions

How do I show that these two lines intersect and then determine the coordinates of intersection
Ex) L1 (X+3)/3=(y+1)/4 L2 (X-6)/3=(y-2)/2? Using lake water and both direct microscopic count and plate count method. Which methods would likely give a higher bacterial count? Why? How many permutations are there of the letters in the word 'PODS' if all the letters are used without repetition? If two lines, in standard, are A1x + B1y = C1 and A2x + B2y = C2, what is the relationship of A1, A2, B1, and B2 if the lines are parallel? What is the probability of me asking some people I've spoken to for a few months if I can touch their hair and them letting me?