exam
Maths Puzzle
Numerical Ability
It says to add or subtract as indicated
a-1/a+1 + a+1/a-1
I got a^2-4a+1/a^2-1
Please help, Thank You=)
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exam Other Question
If the sum of a number and two is doubled, the result is six less than three imes the number. What is that number?
a)5 b)22 c)2/5 d)10
solve the formula for the specified variable.
a)t=d-r b)t=d/r c) t=r/d d) t=dr
i need help in solving this problem
x/3-1= x/5 +1