Question

Help with a SAT problem ! Image!

Answer 1

Sure. Ask away.

Answer 2

I know that ab = x can be flipped to 1/ab = 1/x but then what

Answer 3

\[ \dfrac {1}{a} + \dfrac {1}{b} = \dfrac {a+b}{ab} = \dfrac {y}{x} \Rightarrow \fbox {B} \]

Answer 4

How did you get there? Can you explain?

Answer 5

OHHHHH

Answer 6

Common denominator

Answer 7

\[ \dfrac {1}{a} + \dfrac {1}{b} \]is just basic fraction addition. LCD - yes.

Answer 8

THANK YOU. How did I overlook that lol

Answer 9

CAn you help me with one more?
@Ahaanomegas

Answer 10

No problem. It happens! :) Want to give me a medal? =P

Answer 11

Sure! :)

Answer 12

But you should post in a new thread.