Which of the following can not be used on a matrix when solving a system of equations? interchange rows multiply a row by a constant add a constant to a row
Question
Updated 9/24/2014 2:51:43 AM
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Original conversation
User: Which of the following can not be used on a matrix when solving a system of equations? interchange rows multiply a row by a constant add a constant to a row

Weegy: Multiply a row by a constant.
src1428|Points 70|

User: Solve 49x = 7

User: solve 49^x=7

Weegy: 7 and 42 are the numbers.
alhynne09|Points 10|

User: log 4.12 =

Weegy: I'm sorry, I do not understand your question, can you rephrase or give more detail?
boopydoop1|Points 2229|

User: Use the matrix method to solve the system of equations 2x + 4y = 8 and 6x + 3y = -3. The resulting matrix is:

Weegy: There is a caret or other operator missing in the equation. Example: the input 'x^2y5' is invalid, cannot determine if y should be multiplied by 5, or raised to the fifth power. [ To indicate that the 5 is an exponent, use the ^ symbol, otherwise use a * to indicate multiplication. ]
cjam_1977|Points 290|

User: log (2x + 1) = log (x - 1).

Weegy: log (2x + 1) = log (x - 1). The solution is x = -2.

Question
Updated 9/24/2014 2:51:43 AM
Rating
3
49x = 7
x = 7/49
x = 1/7
Confirmed by andrewpallarca [9/24/2014 11:13:07 AM], Rated good by andrewpallarca
0
Use the matrix method to solve the system of equations 2x + 4y = 8 and 6x + 3y = -3. The resulting matrix is: 3y = 9.
6x + 3y = -3 we can simplify as 2x + y = -1 .
2x + 4y = 8 minus 2x + y = -1, we can get
2x +4y -2x -y = 8-(-1),
3y = 9

Questions asked by the same visitor
the anti federalists believed that the Federal government should possess all powers not specifically denied to it. User: The Democrats won the Presidency in 1976, 1980, and 1996.
Weegy: False, a republican won in 1980 Ronald Regan. User: The two major American political parties are the: Weegy: The two major American political parties are the Democrats and Republicans. User: William Howard Taft led a divided Republican Party in 1912 Weegy: When Taft won the Republican nomination, the Progressives organized a rival party (the United States Progressive Party, a.k.a. "Bull Moose") and selected Theodore Roosevelt to run against Taft in the general election. [ Roosevelt's Bull Moose candidacy split the Republican vote and helped elect Democrat Woodrow Wilson. ] User: so is my previous statement true? User: please say true or false User: true or false:William Howard Taft led a divided Republican Party in 1912 Weegy: True User: true or false:Republican Ronald Reagan won the 1980 presidential election. Weegy: The answer is True. User: true or false: The Republican Party appealed to groups such as farmers, industrialists, and merchants User: true or false:The Republicans won fourteen of the eighteen Presidential elections held between 1860 through 1928. User: The Democrats fought almost bitterly at times over: banking policies slavery issues tariff rates all of the above User: The Democratic split was so severe during the 1860 elections that: the party disbanded they ran two candidates for the presidency they had no candidates running for the presidential election the majority of the members joined the Republican party Question #26MultipleSelect Score: Mark the four sentences that are true. The Republican Party began as a series of anti-slavery political meetings held in the Midwest in 1854.Rural areas tend to vote for the more liberal party.During the election of 1824, Andrew Jackson won the most electoral votes, but not the majority needed to be elected President.The Anti-Federalist would limit the Federal government strictly to the powers the constitution delegated to it.Third parties play a highly important role in ... (More)
Question
Updated 7/5/2018 12:59:51 PM
The anti federalists believed that the Federal government should possess all powers not specifically denied to it. FALSE.

The Republican Party appealed to groups such as farmers, industrialists, and merchants. TRUE.

The Republicans won fourteen of the eighteen Presidential elections held between 1860 through 1928. TRUE.

ALL OF THE ABOVE. The Democrats fought almost bitterly at times over: banking policies, slavery issues and tariff rates.
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