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6th grade math


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#1 jdl

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Posted 16 September 2009 - 07:08 PM

my daughter has this problem and asks if she did it correct.

a - b + c2 (squared) a = 15, b = 12, c = 4

so is the answer 19 or 13?

15-12=3+16=19

or

16+12=28-15=13

i say 19?

#2 Empty Hand

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Posted 16 September 2009 - 07:14 PM

It's 19. Is that how it's written or is it like this?
(a-B)+c^2.

#3 Skew

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Posted 16 September 2009 - 07:31 PM

15-12+4(squared)

15-12+16=19

#4 frash.exe

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Posted 16 September 2009 - 07:31 PM

first turn the 4 squared into a 16, then solve the problem from left to right.

the second one looks like you went backwards, which would be incorrect.

the first one is correct.

#5 Delhomeboy

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Posted 16 September 2009 - 07:42 PM

What everybody else said. 19.

#6 Hawk

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Posted 16 September 2009 - 07:42 PM

19!

#7 Scrumtrilescent

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Posted 16 September 2009 - 08:13 PM

What is the most important number in The Dark Tower series?

#8 Skew

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Posted 16 September 2009 - 08:21 PM

That's 7th grade math.

#9 Delhomeboy

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Posted 16 September 2009 - 10:41 PM

What is the most important number in The Dark Tower series?


UGH! Thou shalt not mention part of the reason why the last three books sucked so horribly.

#10 Delhommey

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Posted 16 September 2009 - 10:49 PM

Please excuse my dear Aunt Sally!

(keeping in mind that addition/subtraction are give equal weight so you should work the problem left to right once you've taken care of the exponent)

#11 Its The Milk

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Posted 16 September 2009 - 10:58 PM

Please excuse my dear Aunt Sally!

(keeping in mind that addition/subtraction are give equal weight so you should work the problem left to right once you've taken care of the exponent)


P = Parenthesis
E = Exponents
M = Multiplication
D = Division
A = Addition
S = Subtraction

#12 PanthaSan

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Posted 16 September 2009 - 11:32 PM

I got -13

#13 R0CKnR0LLA

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Posted 17 September 2009 - 01:49 AM

Ahhh 6th grade... or as they say in South Carolina, your senior year.

#14 Scrumtrilescent

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Posted 17 September 2009 - 10:03 AM

I wish, it wasn't even 1/3 of my way through schoolin' then. :(

#15 pstall

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Posted 17 September 2009 - 01:14 PM

I can't even help my kid with her 4th grade math at times.
And I deal with capital management stuffage...YIKES