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Answer to word math problems for free?

Asked May 7, 2011, 12:36 PM — 5 Answers
8(2x -3)= -16

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Unknown008's Avatar
Unknown008 Posts: 8,147, Reputation: 3745
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#2

May 8, 2011, 01:44 AM
Step 1: Expand the brackets.
Step 2: Make all the terms in x and the terms without x on separate sides of the equal sign.
Step 3: Divide both sides by the number in front of x.
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Zara13's Avatar
Zara13 Posts: 2, Reputation: 10
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#3

May 21, 2012, 07:48 AM
Find the critical points of function f(x)=|x|/(x^2+8)+7
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Zara13's Avatar
Zara13 Posts: 2, Reputation: 10
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#4

May 21, 2012, 07:51 AM
Find the critical points of f(x)=|x|/(x^2+8)+7
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sayurday Posts: 1, Reputation: 1
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#5

May 29, 2012, 04:13 PM
two pumps were required to pump the water out of a submerged area after a hurricane. Pump A,the large of the two pumps can pump the water out in 36 hours,whereas it would take pump B 180 hours. both pumps were working for the first 9 hours until pump A broke. how long did it take pump B to pump out the remaining water?
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jhanine manalo's Avatar
jhanine manalo Posts: 1, Reputation: 1
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#6

Aug 16, 2012, 05:35 AM
cosX-cos5X=4sinXcosXsin3X
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