exam
Maths Puzzle
Numerical Ability
Will you help me: Express each decimal as a rational number a/b, where a and b are integers and b are not equal to 0. 6.52828 (28 repeating.) thanks!
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exam Other Question
Solve the system of nonlinear equations:
y = x^3 - 4x
y = -1/2x^2 + 2
a total of $1150 was invested, part of it at 12% and part at 11%. the total yield was $133.75. how much invested at each rate?