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murzikaleks [220]
4 years ago
14

If B is the standard basis of the space set of prime numbers P 3ℙ3 of​ polynomials, then let Bequals=​{1,t,t2​,t3​}. Use coordin

ate vectors to test the linear independence of the set of polynomials below. Explain your work. 1 plus 6 t squared minus t cubed1+6t2−t3​, t plus 2 t cubedt+2t3​, 1 plus t plus 6 t squared

Mathematics
1 answer:
Alecsey [184]4 years ago
5 0

Answer:

The set of polynomial is linearly independent

Explanations:

For clarity and easiness of expression, the complete solution is handwritten in the file attached. However, the following are the steps taken:

1) The coordinate vectors of the polynomials are formed as:

(1,0,6,-1), (0,1,02) and (1,1,6,0)

2) A matrix is formed using the coordinates of the polynomials as the columns of the matrix

3) The polynomial formed is row reduced to form an echelon matrix.

4) As seen from the reduced echelon form of the matrix, the rank of the matrix = 3

5) since the rank = number of polynomials = 3, the set of polynomials is linearly independent.

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butalik [34]

Answer:

x is 11 degree

Step-by-step explanation:

35+5x=90

5x=90-35

5x=55

x=11

this answer is found by linear equation method

3 0
3 years ago
Read 2 more answers
The equation of line CD is y = −2x − 2. Write an equation of a line parallel to line CD in slope-intercept form that contains po
Mkey [24]
Y = -2x - 2...the slope here is -2. A parallel line will have the same slope.

y = mx + b
slope(m) = -2
(4,5)...x = 4 and y = 5
now we sub and find b, the y int
5 = -2(4) + b
5 = -8 + b
5 + 8 = b
13 = b

so ur parallel equation is : y = 2x + 13
8 0
3 years ago
Read 2 more answers
The city of Tucson, Arizona, employs people to assess the value of homes for the purpose of calculating real estate tax. The cit
enot [183]

Answer:

  1. There is not a difference between treatment means.
  2. There is a difference between block means.

Step-by-step explanation:

1) We set up our null and alternative hypothesis as  

H0 :  there is no difference between treatment means

H0 :  there is no difference between block means        

against

Ha: treatment means are not equal.

Ha: block means are not equal.

2) We chose the significance level alpha= 0.01

3) The test statistic to use are

F1= estimated variance from Between hospitals SS/ Estimated Variance from Error SS

F2= estimated variance from Between days SS/ Estimated Variance from Error SS

Which have F distributions with v1=4 and v2= 4 d.f when null hypothesis is true.

Computations:

The necessary computations are shown below.

Assessor Home    Zawodny     Norman  Cingle     Holiday     Ti        Ti2          Sum X2ij

A                             $54             $52           $48            $45      199      39601      9949

                              (2916)          (2704)     (2304)        (2025)

B                              58               54            5 2              58         222      49284     12348

                           (3364)           (2916)     (2704)        (3364)

C                              43               53            44              54          194       37636     9510

                                (1849)       (2809)      (1936)     (2916)

D                              75               66          63               64          268        71824     18711

                               (5625)        (4356)      (3969)       (4761)

E                               82               85         96                 86         349       121801    30561

                               (6724)          (7225)   (9216)        (7396)

T.j                      312               310          303          305     1232    320146    81079      

T2.j                    97344      96100  91809   93025   378278

Sum X 2 ij         20478            20010         20129         20462      81079

Now Total SS= 81079-  (1232)2/ 20

                         = 81079- 75891.2= 5187.8

Between  Treatments SS= 378278/ 5 -75891.2= -235.6

Between  Blocks SS= 320146  /4- 75891.2= = 4145.3

 Error SS= 5187.8- (-235.6+4145.3)= 1278.1

Source                   SS           df                MS                  F

Treatments           -235.6       3                  78.533          F1= 0.737

Blocks                  4145.3      4                   1036.325       F2= 9.73

Error                     1278.1     12                106.508

Total                                      19

For Treatment:

Reject H0 if F> F (0.01) (3,12)=5.95

For blocks:

Reject H0 if F> F (0.01) (4,12)=5.41

Since the computed value F1= 0.737 does not fall in the critical region F> F (0.01) (3,12)= 5.95  and the calculated value F2= 9.73 falls in the region F> F (0.01) (4,12)=5.41 so we conclude:

  1. There is not a difference between treatment means.
  2. There is a difference between block means.

8 0
4 years ago
Finding theproduct (3x2) x 5​
Anvisha [2.4K]
3 times 2 is 6 times 5 is 35
6 0
4 years ago
Read 2 more answers
Can someone help me with this question? Thank you!
Strike441 [17]

Answer:

i hope this can help you!

6 0
3 years ago
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