exam
Maths Puzzle
Numerical Ability
tell me if i did this problem correct
square root of 2x + 5 + 8 = 17
= square root of 2x + 13 = 17
= 2x + 13 -13 = 17 - 13 = 4
=2x = 4
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2 2
x = 2
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In the study of worker effiency at wong laboratories it was found that the number of companents asmbled per hour by the average worker t hour after s
I think this is the right section. My father in law is trying to help someone with their homework and called me. My algebra memory has faded :)
solve for x
x=zb-zk^2 (or, in english, x equals zb minus zk squared)