exam
Maths Puzzle
Numerical Ability
Solve the system of linera equations by the substitution method.
y = -4/3 x
4x + 2y = 3/4
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exam Other Question
The birth weights for twins are normally distributed with a mean of 2353 grams and a standard deviation of 647 grams. Use z-scores to determine which birth weight could be considered unusual.
were doing these equations in class and i dont understand it much and were supposed to figure out the equation and graph the problem and we also have to draw the other line throug