Question and answer
Evaluate 2x-4y for x = 2 and y = 4.
Question
Asked 4/9/2012 3:55:08 PM
Updated 6/22/2014 2:30:46 PM
3 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by jerry06 [6/22/2014 2:30:46 PM]
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Original conversation
User: Score: Find the quotient. 23 ÷ 52

User: Evaluate 2x-4y for x = 2 and y = 4.

Weegy: We need at least one more equation to solve this; otherwise there would be an infinite number of solutions.
patmarone|Points 4388|

User: Simplify. (-4a3)3·a4

Question
Asked 4/9/2012 3:55:08 PM
Updated 6/22/2014 2:30:46 PM
3 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by jerry06 [6/22/2014 2:30:46 PM]
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3
23 ÷ 52 = 0.4423076923
Added 6/22/2014 2:30:17 PM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [6/22/2014 2:32:28 PM]
3
2x - 4y for x = 2 and y = 4 is -12.

2(2) - 4(4) = 4 - 16 = -12
Added 6/22/2014 2:30:33 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/23/2014 1:23:30 AM]
3
(-4a^3)^3 · a^4 = -64a^9 · a^4 = -64a^13
Added 6/22/2014 2:30:44 PM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [6/22/2014 2:34:06 PM]
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Questions asked by the same visitor
Simplify. x8 ÷ x4 · x2 User: Simplify. (fg2)4
Question
Updated 5/12/2015 6:04:03 AM
2 Answers/Comments
x^8/x^4*x^2
= x^4*x^2
= x^6
Added 5/12/2015 6:03:21 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [5/12/2015 4:14:03 PM]
(fg^2)^4
= f^4g^8
Added 5/12/2015 6:04:03 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [5/12/2015 4:14:06 PM]
Find the product. y4 · y6 User: Simplify. x8 ÷ x4 · x2
Question
Updated 5/10/2015 8:06:49 PM
2 Answers/Comments
y^4*y^6
= y^10
Added 5/10/2015 7:35:39 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [5/11/2015 1:18:53 PM]
x^8/x^4*x^2
= x^4*x^2
= x^6
Added 5/10/2015 8:06:49 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [5/11/2015 1:18:51 PM]
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