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Is (8, -1) a solution of the system, 2x + 3y = 13 and x - y = 9? A) yes B) no
Weegy: y+4=2x User: Is (-2, -5) a solution of the system, 3x + 2y = 4 and 2x - 5y = -29? A) yes B) no Weegy: yes User: Graph the two equations to solve the system. What is the ordered pair solution? x + y = 6 and x - y = 4 A) (4, 2) B) (6, 2) C) (5, 1) D) no solution Weegy: What is the solution as an ordered pair?. x = 2y - 2 and 3x - y = 14 we have two equations: x - 2y = -2 and 3x - y = 14 There is equality between both equations, so ... [ ] (More)
Question
Expert Answered
Updated 5/16/2011 10:03:38 AM
1 Answer/Comment
No, (-2, -5) is NOT a solution of the system, 3x + 2y = 4 and 2x - 5y = -29.

Plug it in: 3(-2) + 2(-5) = 4, which equals -6 + (-10) = 4, which is already not correct. -16 does not equal -4.

YES, (8, -1) is a solution of the system, 2x + 3y = 13 and x - y = 9.

The answer to x + y = 6 and x - y = 4 is C) (5, 1)
Added 5/16/2011 10:03:38 AM
The contraction of muscles is an example of a ___ reaction. A) coupled B) exergonic C) endergonic D) reversible
Question
Not Answered
Updated 5/17/2011 8:15:31 AM
1 Answer/Comment
C) endergonic.

An input of energy in the form mof ATP is needed.
Added 5/17/2011 8:15:31 AM
The Caucasus Mountains separate what two bodies of water? A) Baltic Sea and Black Sea B) Aral Sea and Caspian Sea C) Black Sea and Caspian Sea D) Aral Sea and Gulf of Finland
Weegy: The answer is C) Black Sea and Caspian Sea. User: Which of the following is also known as the Eastern European Plain and stretches from eastern Poland to the Ural Mountains? A) Russian Plain B) West Siberian Plain C) Central Siberian Plateau D) Eastern Highlands Weegy: The Eastern European Plain is also known as the A) Russian Plain. User: Sweden is west of Norway. A) True B) False (More)
Question
Expert Answered
Updated 5/17/2011 12:30:19 PM
1 Answer/Comment
False, Sweden is EAST of Norway.
Added 5/17/2011 12:30:19 PM
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