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View Poll Results: 482(9+3) = ????
2 29 80.56%
288 7 19.44%
Voters: 36. You may not vote on this poll

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Old 04-08-2011, 01:56 PM   #1
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Default 482(9+3) = ????

Well, what is it? Because Beyond is confused.

if you don't get this first try, you're an idiot.

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Old 04-08-2011, 02:16 PM   #2
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I choose 2, but the equation is using bad notation. This is a case where both are correct, and both are wrong. It will depend on who you ask.
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Old 04-08-2011, 02:19 PM   #3
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answer is 2
equation is 100% correct lol
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Old 04-08-2011, 02:25 PM   #4
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Actually no, it'* also 288. The equation is assuming, instead of a black and white. * takes precidence over /. A proper equation should not leave out a task. By doing so you introduce errors. Look it up. Both answers are correct.
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Old 04-08-2011, 02:44 PM   #5
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Order of operations is multiplication, division, addition, subtraction. The answer is 2.
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Old 04-08-2011, 02:48 PM   #6
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Quote:
Originally Posted by 2kg4u View Post
Order of operations is multiplication, division, addition, subtraction. The answer is 2.
Multiplication and division are categorized together and separated from addition and subtraction, subtraction simply being the addition of a negative number. Technically division is only multiplication of a fraction. 4/5 = 4 x1/5.

You always solve the equation inside parentheses first.

The correct answer is 2.
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Old 04-08-2011, 02:55 PM   #7
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PEMDAS.....Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction.......order of operations.....2 is the only correct answer....Just had this in College Algebra last month (easy class)....
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Old 04-08-2011, 02:56 PM   #8
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See attached.
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Old 04-08-2011, 03:04 PM   #9
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Resolve brackets first to get 48/2 (12)

Then division on the left: 24 (12)

Therefore 24*12 = 288

BODMAS is the order of operations:
B Brackets first
O Orders (ie Powers and Square Roots, etc.)
DM Division and Multiplication (left-to-right)
AS Addition and Subtraction (left-to-right)

Depend on how the question is written.
48/2(9+3) yeilds 2
48/2*(9+3) yields 288
So without the implied multiplication the order of operations seems to be affected.
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Old 04-08-2011, 03:09 PM   #10
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Please excuse my dear aunt sally....Thats what they teach us kids these days
Parenthesis
Exponents
Multiplication
Devision
Addition
Subtraction

Use that method, and you can outsmart your kids
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