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Andru [333]
1 year ago
6

Which of the following matrices is equal to 6 [-5 3 0 -4]?

Mathematics
1 answer:
Ahat [919]1 year ago
7 0

6 [-5 3 0 -4] equal matrix is [-30 18 0 -24]

a collection of numbers lined up in rows and columns to form a rectangular array is called a matrix. The elements, or entries, of the matrix are the integers. In addition to numerous mathematical disciplines, matrices find extensive use in the fields of engineering, physics, economics, and statistics.

<h3>How do you identify a matrix?</h3>

A rectangular matrix is a grouping of numbers into rows and columns. The number of rows and columns of a matrix, in that order, is indicated by the matrix's dimensions. It is known as a 2 3 2 times 3 2 times 3 matrix because matrix A has 2 rows and 3 columns.

The entries or elements of the matrix are its numbers, symbols, or phrases. In a matrix, the terms "rows" and "columns" refer to the horizontal and vertical rows of entries, respectively.

The inventor of matrices is Arthur Cayley. In his Memoir on the Theory of Matrices, which was published in, he gave the theoretical definition of the matrix.

To learn more about matrix refer to:

brainly.com/question/2456804

#SPJ1

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100 points the right answer please the set designer for a play painted some background scenery on a large piece of plywood. He u
podryga [215]

Answer:

14 ft

Step-by-step explanation:

Focus on the triangle, and temporarily neglect the 2 ft measurement at the top of the triangle.  Then the 2 legs of the triangle have lengths h - 2 ft and 5 ft, and the hypotenuse is 13.

Applying the Pythagorean Theorem, we get:

13^2 =  (h - 2)^2 + 5^2, or

169 = h^2 - 4h + 4 + 25, or

144 = h^2 - 4h + 4, or

140 = h^2 - 4h, or, finally,

h^2 - 4h - 140 = 0.  We must find the value of h.

I graphed this function on a calculator and found that -10 is a zero.  Thus, the function factors into (h + 10)(h - 14) = 0, or h = 14.

The total height of the piece of plywood is 14 ft.

Check this:  does a right triangle with legs (14 - 2) and 5 have a hypotenuse of 13?  Yes.

7 0
3 years ago
Which statement compares the two numbers correctly?
AVprozaik [17]

Answer:

A

Step-by-step explanation:

Six hundred seventy-two thousandths = 0.672

0.672 < 0.8

7 0
2 years ago
James and Brandon both bought a drink from the store. James drank 3/4 of his drink. How many eights did brandon drink?​
maksim [4K]

Answer:

6/8

Step-by-step explanation:

3/4.

3×2=6.

4×2=8.

6/8.

5 0
3 years ago
When dividing the polynomial 3x3 - 5x2 - 4x + 4 by (x - 2), the remainder is 0, making (x - 2) a factor.
Ne4ueva [31]
(3x^3 - 5x^2 -4x + 4) / (x-2) = (3x-2)(x+1) when x ≠2
3 0
3 years ago
Find the surface area of the right prism. Round to the nearest whole number.
andriy [413]

Answer:

\large\boxed{S.A.=96\ cm^2}

Step-by-step explanation:

We have:

(1) two trapezoids with bases b₁ = 7cm and b₂ = 5cm and the height h = 4cm

(2) three rectangles 3 cm × 7 cm, 3 cm × 4 cm and 3 cm × 5 cm.

The formula of an area of a trapezoid:

A=\dfrac{b_1+b_2}{2}\cdot h

Substitute:

A=\dfrac{7+5}{2}\cdot4=24\ cm^2

Calculate the areas of the rectangles:

A_1=(3)(7)=21\ cm^2\\\\A_2=(3)(4)=12\ cm^2\\\\A_3=(3)(5)=15\ cm^2

The Surface Area:

S.A.=(2)(24)+21+12+15=96\ cm^2

5 0
3 years ago
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