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Elden [556K]
1 year ago
7

Help Equation in the screenshot

Mathematics
1 answer:
Mama L [17]1 year ago
7 0

The value of point A21 in the matrix will be 6. The correct option is A.

<h3>What is a matrix?</h3>

A matrix, which is used to represent a mathematical object or an attribute of one, is a rectangular array or table containing numbers, symbols, or expressions that are organized in rows and columns.

The given matrix is:-

A=\left[\begin{array}{cccc}10&4&11&12\\6&3&2&8\\\end{array}\right]

The position of the numbers in the matrix is represented by the element Aij, where i is the number of the rows and j is the number of the columns.

For A₂₁ the position is the second row and the first column. At position A₂₁ the number is 6.

Therefore, the value of point A21 in the matrix will be 6. The correct option is A.

To know more about matrix follow

brainly.com/question/11989522

#SPJ1

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What is the answer and work to this problem. <br> 4x+2y=14<br> 2x+y=7
Nimfa-mama [501]

The given system of equation has no solution.

<u>Step-by-step explanation</u>:

<u><em>step 1</em></u><em> :</em>

The given equations are 4x + 2y = 14 and 2x + y = 7.

<u><em>step 2</em></u><em> :</em>

Let 4x + 2y = 14 be the first equation.

Let 2x + y = 7 be the second equation.

The solution (x,y) can be determined by solving the two equations, if only the given two equations are different.

<u><em>step 3</em></u><em> :</em>

In first equation taking 2 out as a common factor on both sides, the equation becomes:

2 (2x + y) = 2 (7)

So, the first equation resembles the second one.

<u><em>step 4</em></u><em> :</em>

Since both the equations are similar, they cannot be solved to get a solution. Therefore, the system of equation has no solution which is also known as inconsistent.

5 0
3 years ago
3. Luke is a dog walker. He gets $12 per day for walking his neighbor's dogs. He recently snapped his surfboard and
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Answer: He'd have to work 15 days.

Step-by-step explanation

With the money in his bank account he'd have to get $173 to be able to pay for the rest of the board. If you were to divide 173 by 12 you'd get 14.4166666667. But you can't have a decimal so you'd round up to get a total of 180. Which is how you get the answer of him needing to work for 15 days.

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Simplify i to the 37th power<br> A-1<br> B- -1<br> C- -i<br> D- i
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Take a square sheet of paper 20 cm by 20 cm, cut identical squares from each corner, and fold up the flaps to make a box (withou
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The maximum possible volume of this type of box that can be made from a 20 cm by 20 cm square of paper is 512cm³.

<h3>How to calculate the volume?</h3>

From the information, when the side of 1cm are cut, this will become an open box. The volume will be:

= 18 × 18 × 1

= 324cm³

Also, when 2cm is cut, the volume will be:

= 16 × 16 × 2

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