exam
Maths Puzzle
Numerical Ability
what is the square root of
a^2-10a+25
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exam Other Question
How many 3-digit codes using the digits 0 through 9 are possible if repetitions are allowed. Is it 504, 729, 30, 1000. Can you show me how to work this out?
Thank you,
Ellen
how would i solve for x:
x
___
x - 2 =
4
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5