3 years ago

Class be boring but anyways what is ( 2 x 2 − 1 )?

Mathematics

1 answer:

mina [271]3 years ago

5 0

Answer:

Step-by-step explanation:

In order to do this equation, your first step is to use the Order of Operations, or PEMDAS, which means that you multiply (M) two times two first before subtracting the equation (S). 2 times 2 is 4. 4 - 1 = 3. Hope I helped! :)

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4 years ago

-13=r/9+8<br> what is r equal to?

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you can check by rewriting the problem with -189 as r and solving the equation