exam
Maths Puzzle
Numerical Ability
can you help me with this problem? (x + 5)y + 2y
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exam Other Question
Suppose it will rain on any given day eith the probability of 0.34, independent of everything. What is the probability that of three consecutive days it will rain on the first two and not rain on the third?
Please? I need help? Thank you.
solve by graphing: x - 2y = 8
x + y = - 1
solve by substitution: 5x -3y = 13
4x - 3y = 11