How do i find the middle top number of a 2x2 matrix?

Answers

Answer 1

Answer:

Step-by-step explanation:

the awnser is 04

Answer 2

So if we don't unnecessarily confuse ourselves by taking  bases, a 2x2 matrix will always have rank 2 unless one row or column is a scalar multiple of the other*, in which case it will have rank 1. (and also it'll have rank 1 if you have a row or column of zeroes, and rank 0 if it's the zero matrix).


Related Questions

divide 96 into the ratio 1:7

Answers

The answer is 1/3x1/4

If Mike has 3/4 a cup of butter and it is 2 pounds, how many pounds would a whole cup of butter be? Please add how you got the number. (Step by Step) Thanks!

Answers

Answer: 2.666... pounds

Step-by-step explanation:

Because 3/4 of a cup is 2 pounds, we can divide 2 by 3 to get how much 1/4 of a cup weighs.

2/3 = 0.666...

Multiply that by 4 to get 4/4 (1) and you get:

4 * 0.666...

= 2.666...

2.666... pounds

This is a graphing problem and I am trying to find the x-intercepts and the y-intercepts. Please show me the full steps. I really appreciate it thank you.

Answers

Answer:

Step-by-step explanation:

the x intercept occurs when y=0

[tex]0=\frac{2x+6}{x-1}\\0=2x+6\\x=-3\\(-3,0)[/tex]

The y intercept occurs when x=0

[tex]y=\frac{2(0)+6}{0-1}=-6\\(0,-6)[/tex]

Answer:

Below in bold.

Step-by-step explanation:

To find the x -intercept put f(x) = 0:

(2x - 6)/(x - 1) = 0

2x - 6 = 0

2x = 6

x = 3

So the x-intercept is at the point(3, 0).

To find the y-intercept put x = 0:

y = (2(0) - 6)/(0 - 1)

= -6/-1

= 6

So the x-intercept is at the point(0, 6).

help please!!
2f + 8.74 = 19.54

Answers

Answer:

f=5.4

Step-by-step explanation:

2f+8.74=19.54.

what you want to do first is subtract 8.74 from both sides so your equation should look like this:

2f=10.80

Then you want to divide both sides of your equation by 2/f

so 10.80/2f=5.4

which means that f=5.4

Hope this helps! :D

CANSOMEONE PLZ HELP ME!!!! i have exams coming up soon
needing help

Answers

Answer:

175

Step-by-step explanation:

[tex]answer \: = 175[/tex]

The measure of the weight in grams is 175 grams

Measurement scale

From the given diagram, you can see that the scale is subdivided by 100grams from zero.

From the given scale, you can see that the pointer is just about to land on the second part of the division. This shows that the measure will be less than 200 grams. Hence we can conclude that the measure of the weight in gram is 175 grams since the pointer is on the last sub-division between 100g and 200g

learn more on measurement here: https://brainly.com/question/24842282

Divide 2200kg in the ratio 5: 6.​

Answers

Answer:

i have no idea1233930494

Solve forx2x=8Give your answer as a fraction in its simplest form.

Answers

Answer:

x=4

Step-by-step explanation:

2x=8

÷2

x=4

if you want a fraction then  4/1 which is the same thing as saying 4

2. Erin earns $29.00 for 4 hours of babysitting. How much would she make babysitting for 10
hours?

Answers

Answer:
Erin would make $72.50 from babysitting for 10 hours

Explanation:
We can find the amount of money she makes in 1 hour by dividing 29 by 4.
We then get $7.25
We multiply that by 10 to get what she makes from babysitting for 10 hours and get

$72.50

Answer:

$72.5

Step-by-step explanation:

4 hours of babysitting = $29.00

Therefore $29.00 divided by 4 is 1 Hour of babysitting which is $7.25

To find 10 hours we multiply $7.25 by 10 = $72.5

So Erin would make $72.5 babysitting for 10 Hours.

Each minute, a faucet allows 4/9 gallons of water to enter a large tub, and the drain allows 8/9 gallons to leave the tub.
What is the change in the amount of liquid in the tub after 1/3 minute?
Enter your answer as a fraction in lowest terms in the box

Answers

Answer:

Step-by-step explanation:

The amount of water in the bathtub per minute:4/9-8/9=-4/9;

liquid after:1/3* (-4/9)=-4/27

If the change in the amount of liquid in the tub for 1 minute is 4/9, The change in the amount of liquid in the tub after 1/3 minute will be 4/27.

What is a fraction?

Fraction number consists of two parts, one is the top of the fraction number which is called the numerator and the second is the bottom of the fraction number which is called the denominator.

It is given that, Each minute, a faucet allows 4/9 gallons of water to enter a large tub, and the drain allows 8/9 gallons to leave the tub.

The rate of net flow of the water = Water outgoing - Water ingoing

The rate of net flow of the water = 8/9 - 4/9

The rate of net flow of the water =4/9

The change in the amount of liquid in the tub after 1/3 minute is,

=4/9 × 1/3

=4/27

Thus, if the change in the amount of liquid in the tub for 1 minute is 4/9, The change in the amount of liquid in the tub after 1/3 minute will be 4/27.

Learn more about the fraction here:

brainly.com/question/1301963

#SPJ2

2 (x+7) + 3 (x+1) help me pleeeeeeeeeeeeeeeeeease

Answers

Answer: your anwser would be 5x + 17

Step-by-step explanation:  add that and get your anwser please mark brainliest thank you:)

Answer:

i guess the answer is : 5x + 17

Step-by-step explanation:

Distribute :

2(x+7) +3 (x+1)

2x + 14 + 3 ( x + 1 )

2x + 14 + 3 (x + 1 )

2x + 14 + 3x + 3

Add the numbers :

2x + 14 + 3x + 3

2x + 17 + 3x

combine like terms:

2x + 17 + 3x

5x + 17

solution :

= 5x + 17

Each cube in the prism is one cubic unit.

What is the volume of this rectangular prism?

Enter your answer in the box.

Answers

Answer:

i got 120 because i think you gotta multiply the bottom front colom and right colum and the front row

Answer:

I think its 120

Step-by-step explanation:

you would do length x width x height

6 x 5 x 4

6 x 5 = 30

30 x 4 = 120

therefore the volume is 120 units squared

Pete saw that he was 200 yards from shore when he dove out of the boat. It took him 49 seconds to swim the first 50 yards. At that rate, how much longer will it take to reach the shore?
tysm<3

Answers

Answer:

147 seconds to get to the shore(after the 49 seconds)

Step-by-step explanation:

If Pete swam at a constant speed of 50 yards/49 seconds, you just have to multiply that by four, to get 200 yards. If you want the total time from his boat to shore, that is 196. If you want how much longer it would be, it would be 147 seconds

for minutes, just divide by 60

A small company shows the profits from their business with the function ​P(x)= -0.01x^2+60x-500, where x is the number of units they sell and P is the profit in dollars. a. How many units are sold by the company to earn the maximum​ profit?
b. Between which numbers of units sold does the company show a​ profit?

Answers

Answer:

Bzbsjshhd

Xbdbdhs

Step-by-step explanation:

Bdhsgdgdgdknzbjsjcsbbdg djdv d

Find the value of x. Only type the "number."

Answers

X is 21.75 djdjdhusjd

Taylor works for his father's landscaping business. He earns $50 a day and an additional $16 for each lawn he mows.

If he mows 5 lawns one day, how much will he earn?

Answers

Answer:

$130

Step-by-step explanation:

he makes the initial $50 dollars a day, and an extra $16 for each lawn he mows. he mows 5 lawns so you do 5*16 to get $80 which you then add to $50 and get $130

Answer:

$130

Step-by-step explanation:

$50 +  $(16x5)

=>  $130

Use the information given to enter an equation in standard form.
(27,31) and (37,45) are on the line.
WHATS THE ANSWER TO THIS??

Answers

Answer:

y - 1.4x = - 6.8

Step-by-step explanation:

To find the equation: find the slope, use point-slope form to calculate the equation, then convert the equation to standard form.

Slope: [tex]\frac{45-31}{37-27} = \frac{14}{10} = 1.4[/tex]

Use point slope form: y - y₁ = m(x - x₁)

Plug in x = 27, y = 31, and m = 1.4

y - 31 = 1.4(x - 27)

y - 31 = 1.4x - 37.8

y = 1.4x - 6.8

Convert this into standard form: ax + by = c

y - 1.4x = - 6.8

Escribe 3 fracciones equivalentes a 20/24en donde el numerador sea menor que 20.

Answers

Answer:

[tex]\frac{20}{24} =\frac{15}{18} =\frac{10}{12} =\frac{5}{6}[/tex]

Step-by-step explanation:

I hope this help you

please help me for math ill give branliest

Answers

(5^3 * 2^-6)^-2 = 2^w/c^x

we can first reciprocate both sides, note that z^-b = 1/z^b where z is real and cannot equal zero and b is real. So reciprocating just turns it into z^b, in this case, imagine z = (5^3 * 2^-6) and b = 2.
Note that reciprocal also means ‘to the power of -1’ and using exponent rules means (z^-b)^-1 = z^(-1*b*-1) = z^b

Therefore,

[(5^3 * 2^-6)^-2]^-1 = [2^w/c^x]^-1

z^b = c^x/2^w

(5^3 * 2^-6)^2 = c^x/2^w

using exponent rules, including reciprocation,

5^6*2^-12 = c^x/2^w

and again,

5^6/2^12 = c^x/2^w

now 5 and 2 are relatively prime (do not have any common factors); in fact, they are both distinct prime numbers, so they would not share any factors. This also means that the numerator is in its ‘prime factorised’ form, as well as the denominator. I am assuming we are looking for integer solutions.

Therefore, the solutions naturally come out.

c = 5

x = 6

w = 12

the sum of three consecutive no. is 7 and less than 700 .find the no.​

Answers

Answer:

Sorry, the question isn't clear enough to answer.

Step-by-step explanation:

Sorry, the question isn't clear enough to answer.

sec2A-1/sec2A= sin^2A​

Answers

Answer:

huh?

Step-by-step explanation:

i don’t understand someone please help me ! algebra 1

Answers

80 is the correct answer

Rewrite in slope-intercept form and show your work.
-2x + 5y = 10

Answers

slope intercept form
y = mx + b
-2x + 5y = 10
5y = 2x + 10
Divide by 5
y = 2/5x + 2

Answer:

hope it helps you......

What is the sum of the 5th square number and the 3rd cube number?

Answers

Answer:

5²+3³= 25+27=52

Step-by-step explanation:

hope it helps you

solve the variables with reasons​

Answers

This shape is a quadrilateral.
All angles in a quadrilateral add up to 360 degrees.

There is two right angles- right angles measure 90 degrees.
90 + 90 = 180
You are given the the angle 56 so add that to 180.
56 + 180 = 236

To find x, we subtract 236 from 360.
360 - 236 = 124

x = 124 degrees

Write the solution to the inequality.
f - 5 < -6

Answers

Step-by-step explanation:

add 5 to the -6 bc you have to isolate the variable so f = -1

Write an equation of the line that passes through (1, 2) and is perpendicular to the line y = -5x + 4

Answers

Answer:

y = -1/5 + 7

Step-by-step explanation:

Substitute the point (1,2) for the x and the y in the equation, set the 4 to b since we are solving for b.

2 = -5(1) + b  now solve for b

2 = -5 + b

+5   +5

7 = b

we know that the slope must be the reciprocal for it to be perpendicular

y = -1/5 + 7 add b (7) to the equation and change the reciprocal

The circumference of a circle is 12 pi what is the diameter​

Answers

Answer:

Step-by-step explanation:

Givens

C = 12 * pi

C = 2*pi * r

Solution

2*pi * r = 12*pi                        Divide both sides by 2pi

2*pi * r/ 2*pi = 12*pi/2pi

r = 6

Answer: the diameter = 2 * r

the diameter = 12

Find the length of DF

Answers

Check the picture below.

Answer:

the other person was correct

Steps for 4-6h-8h=60

Answers

Answer:

To solve for h, isolate the “h” on one side of the equation.

Combine like terms on the left sides (h). When combing like terms add and subtract as normal and attach the variable.

4-14h=60

Subtract 4 from both sides.

-14h=56

Divide both sides by -14.

h=-4

Hope this helps! :)

Answer:

h = -4.

Step-by-step explanation:

4-6h-8h=60

4-4-6h-8h = 60-4

-14h = 56

h = 56/-14

= -4.

A container can hold quarts of 8 3/5cooking oil. It contains 1 1/3 quarts of cooking oil. How much more cooking oil is needed to fill the container?

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Answers

Answer:

4 14/15

Step-by-step explanation:

8 3/5 - 11/3

8 9/15 - 55/15

8 9/15 - 3 10/15

7 24/15 - 3 10/15

4 14/15

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