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Cities can develop only if there is an agricultural surplus large enough to free people from food production. True or False
True
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User: Cities can develop only if there is an agricultural surplus large enough to free people from food production. True or False

Weegy: True
Expert answered|oliviacharlene|Points 0|

User: The world is facing a basic conflict between the pursuit for profits through the exploitation of the earth’s resources and the need to establish a sustainable environment. True or False

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Asked 10/5/2012 2:37:28 PM
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(3xy^-2/x^3)^2
Weegy: 9/x^4y^4 is the answer. (3xy^-2/x^3)^2 = 9/x^4y^4 (More)
Question
Expert Answered
Asked 10/1/2012 10:34:10 AM
0 Answers/Comments
(4x/y^3)^-3
Weegy: solve for one variable at a time. start with y. (4x/y3)-3=0 +3 +3 (4x/y3)=3 now multiply both sides by 1/4x to cancel the 4x on the top. [ like this: (4x/3y) * 1/4x= 3/4x 3y=(3/4x) /3 /3 y=(3/4x)/3 now take this and plug it back into the original problem for the y value to get your x. like this: [(4x) / {(3/4x)/3} * 3] -3. now solve that to get your x. then take your x value from that and plug it in to the original again to get your actual y value. its a long process but kinda straightforward. hope this helps. sorry i could finish it all the way. running out of battery. ] (More)
Question
Expert Answered
Updated 62 days ago|8/29/2014 6:41:01 AM
1 Answer/Comment
The answer for (4x/y^3)^-3 is 1/64x^3.
(4x/y^3)^-3
=4^-3x^-3/1
=1/64x^3 /1
=1/64x^3
Added 62 days ago|8/29/2014 6:41:01 AM
evaluate or simplify the numerical expression: (16)^1/2
Weegy: When multiplying the same number but with exponents, you add the exponents. So you're going to get 3+1/2 = 7/2 which is 11^7/2 or 1331(11^1/2) simplified = 4,414.42759 (More)
Question
Expert Answered
Updated 61 days ago|8/30/2014 4:52:04 PM
1 Answer/Comment
The answer for(16)^1/2 is 4.
(16)^1/2
=(4^2)^1/2
=4.
Added 62 days ago|8/29/2014 6:35:13 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by andrewpallarca [8/30/2014 4:52:03 PM], Rated good by andrewpallarca
11^1/2*11^3
Weegy: 4414.43 is the answer. (More)
Question
Expert Answered
Asked 10/1/2012 11:49:19 AM
0 Answers/Comments
1/2+3
Weegy: 1/2+3=3.5 (More)
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Expert Answered
Asked 10/1/2012 12:11:07 PM
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