exam
Maths Puzzle
Numerical Ability
Please help me finde the value of cos^-1(0)
Thank you, Natalie
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exam Other Question
I have tried to figure out this equation, can you help me please?
Find all values of x such that y=0
y= 1/5x+5 - 3/x+1 + 7/5
Solve the equation by completing the square
4x^2 + 16x + 7 = 0