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11Alexandr11 [23.1K]
1 year ago
5

Which matrix represents the system of equations shown below?

Mathematics
1 answer:
Kazeer [188]1 year ago
5 0

So matrix which show equation 4x+2y=4 is  \left[\begin{array}{ccc}4&2&4\\12&-1&26\end{array}\right] .

Given that we have an equation that is 4x+2y=4

So equation is a statement that the values of two mathematical expressions are equal (indicated by the sign =).

So in order to write this equation in matrix form we have to write it into augmented matrix

So augmented matrix is a matrix whose elements are the coefficients of a set of simultaneous linear equations with the constant terms of the equations entered in an added column.

Therefore the matrix will be:

\left[\begin{array}{ccc}4&2&4\\12&-1&26\end{array}\right]    .

Learn more about augmented matrix on brainly.com/question/16796667

#SPJ9

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There are 10 men and 8 women who want to be a part of a commitee of 5 people. If 2 women and 3 men are chosen, how many possible
icang [17]
Their can be 6 arrangements of (2 men to
3 women, and opposite 5 men to 0 women and opposite, 4 men and 1 woman and opposite. so therefore their are 6 arrangements
4 0
3 years ago
What are the solutions to the equations |x-10|-4=2x
Tamiku [17]
X is going to equal two in this equation.
7 0
3 years ago
What is the answer of the equation 2(x+2)-7+x=27
mylen [45]

Answer:

x = 10

Step-by-step explanation:

Solve for x:

2 (x + 2) - 7 + x = 27

2 (x + 2) = 2 x + 4:

2 x + 4 + x - 7 = 27

Grouping like terms, 2 x + x - 7 + 4 = (2 x + x) + (4 - 7):

(2 x + x) + (4 - 7) = 27

2 x + x = 3 x:

3 x + (4 - 7) = 27

4 - 7 = -3:

3 x + -3 = 27

Add 3 to both sides:

3 x + (3 - 3) = 3 + 27

3 - 3 = 0:

3 x = 27 + 3

27 + 3 = 30:

3 x = 30

Divide both sides of 3 x = 30 by 3:

(3 x)/3 = 30/3

3/3 = 1:

x = 30/3

The gcd of 30 and 3 is 3, so 30/3 = (3×10)/(3×1) = 3/3×10 = 10:

Answer:  x = 10

3 0
3 years ago
Read 2 more answers
Someone help pls :,)
Semenov [28]

Answer:

W = 87 degrees

Step-by-step explanation:

First we can rearrange the question so that W is isolated on the left side, which we do by dividing both sides by tan:

tanW/tan = 19.0811/tan

W = 19.0811/tan

Now we can use the inverse tan function on the calculator (tan^{-1}) to calculate it:

W = 19.0811 x tan^{-1}

W = 87 degrees

Hope this helped!

8 0
3 years ago
Which is the least expensive unit rate:
Vaselesa [24]

Answer:

So 3 for $1.26 and 4 for $1.68

Step-by-step explanation:

3 for $1.26 means $0.42 per each

4 for $1.68 means $0.42 per each

5 for $2.25 means $0.45 per each

So 3 for $1.26 and 4 for $1.68 would be the least expensive unit rate!

Hope this help :3

6 0
3 years ago
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