1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
marysya [2.9K]
4 years ago
13

C) The determinant of 2 x 2 matrix A is 3. If you switch the rows and multiply the first row by 6 and the second row by 2, expla

in how to find determinant and provide the answer
Mathematics
1 answer:
crimeas [40]4 years ago
7 0

Answer:

Step-by-step explanation:

A 2 × 2 matrix has 2 rows and 2 columns

Let us assume that matrix A is expressed as

a b

c d

The determinant of matrix A would be

(a × d) - (b × c)

Given that the determinant of matrix A is 3, it means that

ad + bc = 3

If we switch the rows, the first row becomes cd and the second row becomes ab. If we multiply the first row by 6 and the second row by 2, the matrix becomes

6c 6d

2a 2b

The determinant would be

(6c × 2b) - (2a × 6d)

Determinant = 12bc - 12ad

You might be interested in
HELPPPPP MEEE PLEASE
Brut [27]
The answer is C I think
4 0
3 years ago
A restaurant has 60 tables. The graph shows the average number of tables occupied during each day of the week. During which day
Naddika [18.5K]

Answer: Saturday

Step-by-step explanation:

Saturday is at the highest point meaning it has less empty tables

8 0
3 years ago
1. y=900(1.27)^x
Sophie [7]

Answer:

The initial value is 900

It is experiencing exponential growth by 27%

Step-by-step explanation:

Exponential functions are in the form y=a(b)^x, where a is the initial value, b is the multiplier, and x is the input, such as how many years past a certain date.

Exponential growth is when the multiplier is above 1.00, or above 100%, because b is determined by 1 + r if you have exponential growth, or 1 - r if you have exponential decay. You will never use negatives with exponential decay.

7 0
2 years ago
Find the indicated values g(t)=t^2-t and f(x)=1+x g(f(2)+3)
Semmy [17]

Answer:

g( f(2)+3) = 30

Step-by-step explanation:

<u>step(i)</u>:-

Given function  g(t)=t²-t and f(x)=1+x

given f(x)=1+x

         f(2) = 1 + 2 =3

<u><em>step(ii)</em></u>:-

g( f(2)+3) = g(3 + 3)

              = g(6)

             = (6)² - 6

             = 36 -6

             = 30

<u><em>Conclusion</em></u>:-

g( f(2)+3) = 30

7 0
3 years ago
-9x-3y= -2<br> 3x-y= -4<br><br> Solve for x and y.
Alexxx [7]
Try it on the app photomath

4 0
4 years ago
Other questions:
  • Someone check my answers?
    11·1 answer
  • Solve the system of equation please help , I would greatly appreciate it
    11·2 answers
  • In circle N, KL ≅ ML.<br><br> What is the measure of ?<br> 77°<br> 90°<br> 132°<br> 154°
    13·2 answers
  • Suppose h(t) = -7t² - 6t-18 models the height (in feet) of a person jumping off a cliff into a river while on vacation, as a fun
    12·1 answer
  • 2(x-4)+3=7 which of these is x 4,6,7,8
    14·2 answers
  • the radius of a circle is 5 meter what is the area,in square meter,of circle? Round to the nearest tenth
    15·2 answers
  • Work out the sum of the interior angles of this irregular hexagon.<br><br> Does anyone know ?
    12·2 answers
  • Simplify the following expresssion. x^4+3x^3-2x^3-5x^2-x+x^2+x+1+7x^4
    8·1 answer
  • What method do i use to solve this?
    5·1 answer
  • Help! i dont understand this!​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!