If x and y are not both equal to zero 1/x+y = 1/x + 1/y

look at the picture provided below

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True

Step-by-step explanation:

All work is shown and pictured

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

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