exam
Maths Puzzle
Numerical Ability
an airplane files 500 miles with the wind for 2 hours and returns against the wind in 3 hours find the speed of the wind and the air speed of the plane
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exam Other Question
What is the perimeter of a triangle that has the measurments of... the square root of 5 - the square root of 3, 4, and the square root of 5 + the square root of 3?
I cannot understand how to do these type of questions at all...Can you please help me and thanks:)
Page 575
Number 2
I have to write in standard form and determine the values of a,b, and c....
x^2 + 6x - 5 = 0