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
aivan3 [116]
3 years ago
13

I FREAKING NEED HELPPP!!!

Mathematics
1 answer:
Ratling [72]3 years ago
5 0

Answer:

\boxed{\begin{bmatrix}  3 &  - 1 \\  - 3 & 4\end{bmatrix}  = 12 - 3 =  \boxed{9} }\\ \\  \boxed{\begin{bmatrix}   -12 &  - 1 \\  12 &  5\end{bmatrix}  =  - 60-  ( - 12) =  \boxed{ - 48}} \\  \\ \boxed{\begin{bmatrix}  0&  - 1 \\  17 & 4\end{bmatrix}  = 0 -( - 17 )=  \boxed{17}} \\  \\\boxed{ \begin{bmatrix}  8&  - 1 \\  -  4 &  - 1\end{bmatrix}  =  - 8 - 4 =  \boxed{ - 12} }\\  \\ \boxed{\begin{bmatrix}  2 &  - 1 \\  2 &  - 1\end{bmatrix}  =  - 2 - ( - 2) =  \boxed{0}} \\  \\ \boxed{ \begin{bmatrix}  1 &  0\\  0 &1\end{bmatrix}  = 1 - 0 =  \boxed{1}}

Step-by-step explanation:

the \: determinant \: of  \: a \: matrix : A  \to\\If  \: A  =\begin{bmatrix}  x & y \\ a & b \end{bmatrix} \: then : \\  its \: determinant \: is \: givn \: by \to \\  |A|  =  (b \times x) - (a \times y) \\  \boxed{|A|  = bx - ax}

♨Rage♨

You might be interested in
What is 246000000 in standed form need to know whit in 15 min
11Alexandr11 [23.1K]

Answer:

2.46×10^8

Step-by-step explanation:

The decimal point is here

246000000.

Then it must be moved up to here

2.46000000

Those are eight steps from where it was, so to compensate and make sure the number remains the same remove the zeros and multiply by 10^8

Then you have

2.46×10^8

3 0
3 years ago
Help pleasseeeeeeeeee 6. If Ai charges $3.25 per serving of ice cream, how much will she make if she sells it to 12
Ivenika [448]

Answer:

40.62

Step-by-step explanation:

that's the answer I got

6 0
2 years ago
Solve the system of equations. y = x2 + 7x - 5 y = 2x + 9
marissa [1.9K]

Answer:

(2, 13)

(-7, -5)

Step-by-step explanation:

Easiest and fastest way to do this is to graph the systems of equations and analyze the graph where the 2 graphs intersects.

6 0
3 years ago
Read 2 more answers
Simplify (-8)(-2) + 11<br> 027<br> 0 -1<br> 0-5
Schach [20]
Answer:-5
-8x-2=-16
-16+11=-5
4 0
3 years ago
Compare the values of the underlined digits (4)
ipn [44]
The value of 4 in 34,258 is 4,000 times the value of 4 in 47,163 is 40,000
40,000*4,000 is 160000000
3 0
3 years ago
Other questions:
  • the histogram shows the number of people who viewed each showing of scary night at one movie theater during its opening week the
    14·1 answer
  • How to simplify 12 to the 0 power
    6·1 answer
  • Help me to be BRAINLIEST!!!!
    8·2 answers
  • While passing a slower car on the highway, i accelerate uniformly from 12 m/s to 24 m/s in a time of 10.0s. How far do you trave
    9·1 answer
  • Find the 32nd term in the sequence whose general term is an = -3 + 4 (n-1)<br><br> Work?
    15·2 answers
  • Daily low temperature which line graph displays the data in the table
    12·1 answer
  • PLEASE HELP!!
    14·2 answers
  • What number should both sides of the equation be multiplied by to solve for x?x/4.5 = 6
    7·1 answer
  • At the start of the napkin aisle, you see
    7·2 answers
  • Leanna pays a monthly rent or $980. She signed a two year lease. What is the total rent she will pay her landlord over the two y
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!