A student solving for the acceleration of an object has applied appropriate physics principles and obtained the expression a=a1+fm where a1=3. 00 meter/second2, f=12. 0kilogram⋅meter/second2 and m=7. 00kilogram. First, which of the following is the correct step for obtaining a common denominator for the two fractions in the expression in solving for a?.

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answer:

i havent taken the psat, but i have the sat, make sure to bring some snacks, because youre in there forever, 2 sharp number two pencils, an sat approved calculator, and maybe a jacket.   your phone and any books will be taken up, so don't try to bring them(but they will be given back at the end of the testing).   good luck!   i hope you do well!

answer: wth

explanation: