What does "PEMDAS" stand for?

2 answers:

8 0

P= parentheses or ()
E= exponents such as $x^{2}$
M= multiplying
D= division
A= Addition
S= Subtraction

Another popular acronym is BEDMAS, which is pretty much the same except for division and multiplication are switched and it uses the word Brackets to describe these: ().

Aliun [14]3 years ago

8 0

"Please Excuse Our Dear Aunt Sally"
A technique for remembering the order of operations.
<span>It stands for "Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction".</span>

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Elena-2011 [213]

Answer:

$\theta=30\textdegree$

Step-by-step explanation:

$(ii)\ \sqrt{3}\tan\ \theta=2\sin \theta\\\\substitute\ \tan\theta=\frac{\sin\theta}{\cos\theta}\\\\\sqrt{3}\frac{\sin\theta}{\cos\theta}=2\sin\theta\\\\Divide\ both\ sides\ by\ \sin\theta.\\\\\sqrt{3}\frac{\sin\theta}{\cos\theta\times \sin\theta}=\frac{2\sin\theta}{\sin\theta}\\\\\frac{\sqrt{3}}{\cos\theta}=\frac{2}{1}\\\\Apply\ cross\ multiplication\\\\2\cos\theta=\sqrt{3}\\\\divide\ both\ sides\ by\ 2\\\\\frac{2\cos\theta}{2}=\frac{\sqrt{3}}{2}\\\\\cos\theta=\frac{\sqrt{3}}{2}\\\\$

$\cos\theta=\cos\ 30\textdegree\\\\\theta=30\textdegree$

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3 years ago

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Answer:

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Step-by-step explanation:

So this is as long as ____ so I'm not going to write the steps.

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3 years ago

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EleoNora [17]

Answer:

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Hope this helps :)

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