The order of the matrix B is 4 × 5, the order of the matrix D is 4 × 2 and the size of the matrix E is 5 × 4; then the order of the matrix (B^T × D) + ED is: (note that: T stands for transpose)

Answers

Answer 1

Answer:

so the order will be 5 x 2

Step-by-step explanation:

When we find the transpose of a matrix we change the rows into columns and columns into rows so the order is also reversed.

The order of  B transpose will be reversed i.e. it will 5 x 4.

When we multiply two matrices we check the columns of the first matrix should be equal to the rows of the second matrix and the answer should contain the rows of the first matrix and the columns of the second matrix as the order of the resultant matrix

B^T (5 X 4)  X D ( 4 X 2)

B^TD (5 X 2)

Now ED will be

E (5 x 4) D (4 x 2)

ED ( 5 x 2)

Now adding

B^TD (5 X 2) + ED ( 5 x 2) = (B^T × D) + ED ( 5 x 2)

In addition the order does not change.


Related Questions

Label the terms, coefficients, constants, and variables of : 4x-7+15z-y+20

Answers

Answer: see below

Step-by-step explanation:

coefficient: the numerical before a variable (3x)

constant: a number that is represented as an individual (5)

variable: any nonnumerical symbols (x)

-------------------

4x-7+15z-y+20

coefficient: 4 (4x), 15 (15z), -1 (-y)

constant: -7, 20

variable: x, y, z

Hope this helps!! :)

Please let me know if you have any question

A is directly proportional to x and inversely proportional to y. If A=20 when x=6 and y=9, what is the value of A when x=9 and y=6?

A) 1/20
B) 30
C) 45
D) 60

Answers

A=45

A=kx/y

where k is constant

substituting the values for k

k= 20×9/6=30

when x=9, y=6

A= 30×9/6=45

Nadia is mountain climbing. She started at an altitude of 19.26 feet below sea level and then changed her altitude by climbing a total of 5,437.8 feet up from her initial position. What was Nadia's altitude at the end of her climb?

Answers

Answer:

5,418.2 feet

Step-by-step explanation:

Nadia is carrying out mountain climbing.

She started climbing the mountain at an altitude of 19.26 feet below the sea level.

Nadia changed her altitude by climbing a total of 5,437.8 feet from her starting position.

Therefore, Nadia's altitude at the end of her climb can be calculated as follows

= 5,437.8-19.6

= 5,418.2

Hence Maria's altitude at the end of her climb is 5,418.2 feet

Answer:

5,418.2 feet

Step-by-step explanation:

What is the third of 45

Answers

Answer:

15

Step-by-step explanation:

A third of 45 is 1/3 multiplied by 45 or 45 divided by 3, which is equal to 15.

Answer:

15

Step-by-step explanation:

45 divided by 3 = 15

Every time Luisa bakes a batch of brownies she uses 1/2 cup of chocolate if she has 3/2 cups of chocolate remaining how many batches of brownies can Luisa make

Answers

Answer:

she can make 4 batches of brownies

Step-by-step explanation:

since she already made a batch of brownie with 1/2 cup and she has 3/2 cups left, that means she can make 3 more

3+1=4

hope this helps

The batches of brownies can Luisa make is 4 batches.

It is required to find the the batches of brownies can Luisa make.

What is arithmetic?

Arithmetic is the branch of mathematics that deals with the study of numbers using various operations on them. Basic operations of math are addition, subtraction, multiplication and division. These operations are denoted by the given symbols.

Given:

3 batches of brownies from 3/2 cups of chocolate left.

Step-by-step explanation:

From the question, we know that:

1/2 cups of chocolate = 1 batch of brownies

3/2 cups of chocolate = x

Cross Multiply

1/2 × x = 3/2

x = 3/2/1/2

x = 3/2 × 2/1

x = 3 batches.

That means she can make 3 more

3+1=4

Therefore, the batches of brownies can Luisa make is 4 batches.

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Find the distance between the points A(10, –9) and B(8, 7). Round your answer to the nearest hundredth. A

Answers

Answer:

16.12 units

Step-by-step explanation:

distance formula: d = √[(x₂ - x₁)² + (y₂ - y₁)²]

d = √[(8 - 10)² + (7 + 9)²]

d = √[(-2)² + (16)²]

d = √[4 + 256]

d = √260

d = 16.12

A 2-column table with 4 rows. Column 1 is labeled x with entries 1, 2, 4, 5. Column 2 is labeled y with entries 15, 30, 60, 75. Does this table represent a proportional relationship? 1,15 2,30 4,60 5,75 please answer this question quickly please and thank you

Answers

Answer:

The table represents a proportional relationship

Step-by-step explanation:

Given

x ------ y

1 ------- 15

2 --------30

4 ---------60

5 -------- 75

Required

Determine if the table shows a proportional relationship

To check this, we make use of the following formula;

[tex]k = \frac{y}{x}[/tex]

Where k is the proportionality constant

When x = 1, y = 15

[tex]k = \frac{15}{1} = 15[/tex]

When x = 2, y = 30

[tex]k = \frac{30}{2} = 15[/tex]

When x = 4, y = 60

[tex]k = \frac{60}{4} = 15[/tex]

When x = 5, y = 75

[tex]k = \frac{75}{5} = 15[/tex]

Since the value of k for all values of x and y is the same; i.e. 15

Then, the table represents a proportional relationship

Quick Answer: $5.86

Step-by-step explanation:

Hope it helps!! :)

Innea's company's revenue in 201720172017 is \dfrac{36}{25} 25 36 ​ start fraction, 36, divided by, 25, end fraction of its revenue in 201620162016. What is Linnea's company's revenue in 201720172017 as a percent of its revenue in 201620162016 ?

Answers

Answer:

144%

Step-by-step explanation:

Complete question below:

Linnea's company's revenue in 2017 is 36/25 of its revenue in 2016. What is Linnea's company's revenue in 2017 as a percent of its revenue in 2016?

Solution

Let

36x= Linnea's company revenue in 2017

25x=Linnea's company revenue in 2016

Percent of Linnea's company's revenue in 2017 as a percent of its revenue in 2016= 36x / 25x × 100

36x / 25x * 100

=1.44 × 100

=144%

Which expression represents x? – 18x + 81 in factored form?
(x + 9)2
(x + 27)(x – 3)
(x – 9)
(x + 9)(x -9)
1
2
3
4 5

Answers

Answer:

[tex](x-9)^{2}[/tex]

Step-by-step explanation:

By factorization, we get ----

[tex]x^{2} -18x+81\\=x^{2} -9x-9x+81\\=x(x-9)-9(x-9)\\=(x-9)(x-9)\\=(x-9)^{2}[/tex]

it is 12 degrees colder in the mountains than in the valley. The temperature on the mountain is x. The temperature in the valley is y

Answers

X= y+12

OR

Valley(y)= mountain(x)-12

Can I get some Help please

Answers

Answer:

f(-2) = 2

Step-by-step explanation:

The question is asking for the y-value of the point located at x = -2 on the graph. The point is at (-2, 2), so f(-2) = 2.

Solve the equation. 56=13+d

Answers

Answer:

d = 43

Step-by-step explanation:

Subtract 13 from each side of the equation. It should now look like this: 43 = d

Simplify: 3(a+b)-2(2a-b)+4a-7a ​

Answers

Answer:

Hey there!

3(a+b)-2(2a-b)+4a-7a

3a+3b-4a+2b-3a

3b-4a+2b

5b-4a

-4a+5b

Let me know if this helps :)

Answer

[tex] \boxed{ \boxed{ \bold{ \red{ - 4a + 5b}}}}[/tex]

Step by step explanation

[tex] \sf3(a + b) - 2(2a - b) + 4a - 7a[/tex]

Distribute 3 through the parentheses

⇒[tex] \sf3a + 3b - 2(2a - b) + 4a - 7a[/tex]

Distribute 2 through the parentheses

⇒[tex] \sf3a + 3b - 4a + 2b + 4a - 7a[/tex]

Collect like terms

⇒[tex] \sf3a +4a - 4a - 7a + 3b + 2b[/tex]

Since , two opposites add up to zero, remove them from the expression

⇒[tex] \sf3a - 7a + 3b + 2b[/tex]

⇒[tex] \sf - 4a + 5b[/tex]

Hope I helped!

Best regards!!

find HCF of 96 and 404 by prime factorization method and find their LCM ​

Answers

Answer:

HCF of 96 and 404 by prime factorisation method:-

Since, 96 = 2 × 2 × 2 × 2 × 2 × 3

and, 404 = 2 × 2 × 101

So, HCF of 96 and 404 = Product of common prime factors

                                 = 2 × 2 = 4

LCM = 2 × 2 × 2 × 2 × 2 × 101 × 3

       = 9696

Step-by-step explanation:

i think i

don't no

Multiply and write your answer in scientific notation.
(4 10%)(2 x 10-5)

Answers

Answer:

Here mate!

Step-by-step explanation:

Enter numbers, scientific notation or E notation.

Scientific Notation: 3.45 x 10^5

E Notation: 3.45e5

HOPE IT HELPS AND IS CORRECT!

Match each function name with its equation.
(Look at picture)

Answers

Answer:

a. square root is y = [tex]\sqrt{x}[/tex]

b. linear is y = x

c. cubic is [tex]y = x^3[/tex]

d. quadratic is [tex]y = x^2[/tex]

e. reciprocal squared is [tex]y = \frac{1}{x^2}[/tex]

f. absolute value is y = |x|

g. reciprocal is [tex]y = \frac{1}{x}[/tex]

h. cube root is [tex]y = \sqrt[3]{x}[/tex]

Step-by-step explanation:

7c3d2

Need help finding the degree of the monomial

Answers

Answer:

5

Step-by-step explanation:

7c³d²

This term has tow variables, c and d

Power of c is 3

Power of d is 2

Degree of this monomial is = 3+2 = 5

Type in the correct answer. What is the slope of line m? On a coordinate plane, a straight line goes through (negative 2, 1), (0, 0), and (2, negative 1).

Answers

Answer:

-0.5 or -1/2

Step-by-step explanation:

The equation for slope is y₂-y₁ / x₂-x₁.

It should work with all of the points given. Any of the 2 points you choose will give you the slope -0.5 or -1/2.

The slope the straight line going through (-2,1) , (0,0) and (2,-1) is -1/2.

What is a line segment?

A line section that can connect two places is referred to as a segment.

In other words, a line segment is just part of a big line that is straight and going unlimited in both directions.

The line is here! It extends endlessly in both directions and has no beginning or conclusion.

The average slope of a straight line ;

The slope associated with two points (x₁, y₁) and (x₂, y₂) is given by

Slope = (y₂ - y₁)/(x₂ - x₁)

So slope  associated with two points (-2,1) , (0,0)

⇒ (0 - 1) / (0 + 2)

⇒ -1/2

Since all three points are in a straight line so slope must be the same.

Hence "The slope the straight line going through (-2,1) , (0,0) and (2,-1) is -1/2".

For more about line segment,

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Asia contains both the highest and lowest known points on earth. Mt. Everest is a little over 29,000 feet above sea level, and the shore of the Dead Sea is about 1,370 feet below sea level. What is the approximate difference in elevation between the two points?

27,630 feet
28,370 feet
29,370 feet
30,370 feet

Answers

Answer:

30,370 feet

Step-by-step explanation:

The difference in elevations between two points will be 30370 feet.

It is given that Mt. Everest is 29000 feet above sea level and the shore of dead sea is 1370 feet below the sea level.

We have to find out the difference in elevation between the two points.

What is algebra ?

Algebra is the branch that deals with various symbols and the arithmetic operations such as addition , subtraction , etc.

As per the question ;

Height of Mt. Everest from sea level = 29000 ft. above

Height of shore of dead sea from sea level = 1370 feet below

As these both are in opposite directions , i.e., one above sea level and other below sea level , we should add both of these to find the difference in elevations between these two points.

i.e.,

The difference in elevations between two points will be ;

= 29000 + 1370

= 30370 feet

Thus , the difference in elevations between two points will be 30370 feet.

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What number is 30% larger than 2000

What number is 30% smaller than 2,600

Answers

Wouldn’t 2600 be 30% larger and 2000 would be 30% smaller??

Answer:

a) 2600

b) 1820

Step-by-step explanation:

let the number be 'x'

a)

[tex]x = 2000 + \frac{30}{100} (2000)[/tex]

[tex]x = 2000 + 600 = 2600[/tex]

b)

[tex]x = 2600 - \frac{30}{100} (2600)[/tex]

[tex]x = 2600 - 780 = 1820[/tex]

Hope it helps... ;-)BRAINLIEST PLEASE

SOMEONE HELP PLZ ASAP!!!!!

Answers

Answer:

a)A=53

b)A=42.68

c)A=60

For which set of data are the median and mode the same number?
5,5, 6, 8, 9, 10
3, 5, 6, 8, 8, 9
4, 5, 7,7,8,10
4, 5, 7, 8, 9,9

Answers

Answer:

The answer is 12

calculate the values of the expression below 2 ( 3 (5 + 2) -1)

Answers

Answer:

= 40

Step-by-step explanation:

2 ( 3 (5 + 2) -1)

= 2 * 20

= 40

Answer:

40

Step-by-step explanation:

[tex]2\left(3\left(5+2\right)-1\right)\\\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Calculate\:within\:parentheses}\:\left(3\left(5+2\right)-1\right)\:\\\\:\quad 20\\\\=2\times \:20\\\\= 40[/tex]

Find the perimeter of a regular hexagon
with side 5cm.

Answers

Answer:

Step-by-step explanation:

Regular hexagon has six equal sides

Perimeter = 5 + 5 + 5 + 5 + 5 +5   or 6*5

                = 30 cm

why are the southern slopes of mountains warmer than northern slopes?​

Answers

in the northern hemisphere a south-facing slope (more open to sunlight and warm winds) will generally be warmer and drier due to higher levels of evaporation and transpiration than a north-facing slope. So South facing slopes are much warmer.

Answer:

In the Northern Hemisphere, soil on south-facing slopes dries out faster and is warmer than soil on north-facing slopes due to longer exposure to sunlight – the opposite applies in the Southern Hemisphere.

Step-by-step explanation:

A roller coaster accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?

Answers

Acceleration=finalpoint-initialpoint/time
70m/s-6m/s/4
The answer is 16m/s^2

Answer:

[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{16 \: m/ {s} \: ^{2} }}}}}[/tex]

Step-by-step explanation:

Given,

Initial velocity ( u ) = 6 m/s

Final velocity ( v ) = 70 m/s

Time ( t ) = 4 seconds

Acceleration ( a ) = ?

Finding the acceleration

We know that,

[tex] \boxed{\sf{acceleration = \frac{v - u}{t} }}[/tex]

⇒[tex] \sf{ \frac{70 - 6}{4} }[/tex]

⇒[tex] \sf{ \frac{64}{4} }[/tex]

⇒[tex] \sf{16 \: m/ {s}^{2} }[/tex]

Hope I helped!

Best regards!

Help someone plzzzz!!!!

Answers

Answer:

G.

hope this explanation helps

Step-by-step explanation:

I need help on question C only plzzzz​

Answers

You need to work out the current UK percentage first.

41. Find the area of the triangle.

a. 30 yd
b. 45 yd
c. 28 yd
d. 60 yd

Answers

Answer:

D

Step-by-step explanation:

Area is found by LxWxH

Answer:

30yd^2

Step-by-step explanation:

[tex]Base = 10yd\\Height = 6yd\\\\Area = \frac{1}{2} \times base \times height\\\\A= \frac{1}{2} \times 10 \times 6\\\\A = \frac{60}{2} = \\\\30yd^2[/tex]

HELP ASAP WILL MARK BRAINLIEST!!!!! The coordinates of point T are ​(0​,3​). The midpoint ST of is ​(​1,-5​). Find the coordinates of point S. The other endpoint is

Answers

Greetings from Brasil...

See the attached chart. The midpoint, M, has 8 units down on the Y axis. So the other half will also have 8 units after that point M. This is also true for the X axis.

Just make the difference between points T and M. For M and S they are the same quantities.

(0; 3) and (1; -5)

X: 1 - 0 = 1   (one unit until mid point)

Y: - 5 - 3 = - 8  (8 units until mid point)

To S:

S(W; Z)       M = center point coordinate value

W = M +  1 ⇒ W = 1 + 1 = 2

Z = M - 8 ⇒ Z = - 5 - 8 = - 13

S(2; -13)
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