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
puteri [66]
3 years ago
9

What is the inverse matrix

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
3 0

Answer:

The inverse of a square matrix A, denoted by A-1, is the matrix so that the product of A and A-1 is the Identity matrix.

Step-by-step explanation:

You might be interested in
When we test Upper H 0​: muequals0 against Upper H Subscript a​: mugreater than​0, we get a​ P-value of 0.03. a. What would the
Anastasy [175]

Answer:

(a) The null hypothesis will be rejected.

(b) Type I error

(c) The null hypothesis will not be rejected. The error is type II error.

Step-by-step explanation:

The hypothesis provided is:

H_{0}: \mu = 0\\ H_{a} : \mu > 0

The p-value of the test obtained is 0.03

(a)

Decision rule for hypothesis testing, based on p-value, states that if the p-value is less than the significance level (α) then the null hypothesis is rejected and vice versa.

The significance level is α = 0.10

Then,

p-value = 0.03 < \alpha  = 0.10

Thus, the null hypothesis will be rejected.

Conclusion:

The null hypothesis is rejected stating that the value of μ is more than 0.

(b)

If the decision in​ (a) is an​ error, i.e. the null hypothesis is rejected when in fact it is true, this type of error is known as type I error.

(c)

The significance level is α = 0.01

Then,

p-value = 0.03 > \alpha  = 0.01

Thus, the null hypothesis will not be rejected.

Conclusion:

The null hypothesis was not rejected stating that the value of μ is 0.

If this decision is an error, i.e. the null hypothesis was not rejected when in fact it is false, this type of error is known as type II error.

3 0
3 years ago
Under which angle conditions could a triangle exist? Check all that apply.
Komok [63]
<span>Triangles exist:
</span>3 acute angles<span> 2 acute angles, 1 right angle
</span><span>2 acute angles, 1 obtuse angle
</span>
Triangles DON'T exist for:
<span>1 acute angle, 1 right angle, 1 obtuse angle
</span><span>1 acute angle, 2 obtuse angles</span>


6 0
3 years ago
Read 2 more answers
8x + 16 = 8<br> What is x
Fofino [41]
The answer to that equation is X= -1
6 0
3 years ago
Read 2 more answers
A) Work out the value of 23 + 52
Elena L [17]

Answer:

Step-by-step explanation :

a) 75

b) 39

C) 182

3 0
3 years ago
Together, angles A and B form a 90° angle. Angle A measures 54°. What is the measure of angle B?
Hunter-Best [27]

Answer:

36 degrees

Step-by-step explanation:

Subtract 54 from 90

7 0
3 years ago
Read 2 more answers
Other questions:
  • These data can be approximated quite well by a N(3.4, 3.1) model. Economists become alarmed when productivity decreases. Accordi
    7·1 answer
  • Mr peterson will buy 80 feet of fencing. The pieces of fence come in whole numbers of feet. His enclosure will be a rectangle an
    9·1 answer
  • Help me please pretty plese
    14·2 answers
  • What is the exact perimeter of kite ? Show your work.
    11·1 answer
  • What is the area of a regular hexagon with a side length of 5in and an apothem of 4.33in?
    10·1 answer
  • How many pounds are in 3/4 of a ton
    15·2 answers
  • 1. What is the product of 6.8 and 4.7?<br> A. 3.196<br> AB. 31.96<br> C. 319.6<br> D. 3196
    11·2 answers
  • Please help I'm confused
    14·1 answer
  • Solve the simultaneous equation:<br> 5 x + 2 y = 25 <br> 5 x − y = 10
    12·2 answers
  • Jaya goes out to lunch. The bill, before tax and tip, was $11.15. A sales tax of 3% was
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!