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slamgirl [31]
3 years ago
15

Have the conditions for inference been met?

Mathematics
1 answer:
alekssr [168]3 years ago
5 0

Answer: the answer is A

Step-by-step explanation: because the original question does not state that the swimmer “randomly selected” the members. It only says the swimmer “selects” 10 members. Therefore, it is A (The sample is not random)

youre welcome

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Let v be an eigenvector of a matrix A with a corresponding eigenvalue ?=2. Find one solution x of the system Ax=v.
Murljashka [212]

Answer with explanation:

For, a Matrix A , having eigenvector 'v' has eigenvalue =2

 The order of matrix is not given.

It has one eigenvalue it means it is of order , 1×1.

→A=[a]

Determinant [a-k I]=0, where k is eigenvalue of the given matrix.

It is given that,

k=2

For, k=2, the matrix [a-2 I] will become singular,that is

→ Determinant |a-2 I|=0

→I=[1]

→a=2

Let , v be the corresponding eigenvector of the given eigenvalue.

→[a-I] v=0

→[2-1] v=[0]

→[v]=[0]

→v=0

Now, corresponding eigenvector(v), when eigenvalue is 2 =0

 We have to find solution of the system

→Ax=v

→[2] x=0

→[2 x] =[0]

→x=0, is one solution of the system.

5 0
3 years ago
Guys can you please help me answer this?, If you cannot, you can answer just few of it.​
MA_775_DIABLO [31]

Hello the answer of above is given by me and this is my second I'd

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3 0
2 years ago
I need help urgent this is to hard for me to do
Morgarella [4.7K]

Answer:

( 7 , 4 )

given:

  • 4x + 10y = 68
  • 4x - y = 24

make y the subject in equation 2:

4x - y = 24

-y = 24 - 4x

y = 4x - 24

insert this in equation 1:

4x + 10y = 68

4x + 10(4x - 24) = 68

4x + 40x - 240 = 68

44x = 68 + 240

44x = 308

x = 7

solve for y:

y = 4x - 24

y = 4(7) - 24

y = 4

6 0
2 years ago
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Anya is training for a 10k race. The table shows the distance she ran during the first 3 weeks of training. Make a conjecture ab
SVETLANKA909090 [29]
3x1.2 = 3.6
3.6 x 3.14 = 1.14
3.14 x 1.14 = 2.75
5 0
3 years ago
Help geometry B, the last option is 260 degrees
Leto [7]

Answer:

Q + S = 360 - 55 - 45 = 260

Q = S

=> Q = 260/2 = 130

C is correct

5 0
3 years ago
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