exam
Maths Puzzle
Numerical Ability
An airplane flies 1,000 due east in 2 hours and 1,000 due south in 3 hours. What is the average speed of the airplane?
This is what I did:
((1,000/2)+(1,000/3))/2
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exam Other Question
2x^2-3=15
please help me....i thought the answer that i've got in this problem is incorrect...help me please...
Factor:
y^2-4+y^4+8y