exam
Maths Puzzle
Numerical Ability
solve e^(2x-1) = 3.
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exam Other Question
Solve by using quadratic formula:
x^2+4x+2=0
This is what I have, not sure if correct?
x=-4+-square root 4^2-4(1)(2) divided by 2
x=-4+-square root 2 divided by 2
x=2 x=-4
A support for a roof truss is 2√5 feet long.
Which of the following is the same measurement?
A.5√2 feet
B.√10 feet
C.V20 feet
D.10 feet