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wlad13 [49]
3 years ago
9

The vertices of a rectangle are given in the columns of the matrix R=[0 0 3 3 0 3 3 0]. If [-1 0 0 1]x R is found to perform a t

ransformation, what are the coordinates of the transformed rectangle?
(0, 0), (0, -3), (-3, -3), (-3,0)
(0,0), (0, 3), (3, 3), (3,0)
(0,0), (0, 3), (-3, -3), (-3,0)
(0,0), (0, 3), (-3, 3), (-3,0)

Mathematics
1 answer:
krok68 [10]3 years ago
7 0

Answer:

  (0,0), (0, 3), (-3, 3), (-3,0)

Step-by-step explanation:

The matrix multiplication is shown in the attachment. The transformed coordinates are ...

  (0,0), (0, 3), (-3, 3), (-3,0)

_____

You can count the instances of -3 in the result matrix to choose the correct answer.

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Answer:

George made the first mistake by multiplying by 7 instead of 8

Step-by-step explanation:

The total cars needed to have a mean of 24:

24 x 8 = 192

Total cars sold during the seven months:

18 + 22 + 26 + 12 + 25 + 20 + 19 = 142

Subtract the total cars sold from the total cars needed:

192 - 142 = 50

George needs to sell 50 cars in the eight month in order to have an average of 24 cars sold per month.

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4 years ago
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3 years ago
el jefe decidió agregar la tabla de frecuencias correspondiente a la edad de sus empleados tal Como se muestra a continuación Cu
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Answer:

Average employee [Mean] = 43.6

Step-by-step explanation:

Given:

Interval   Number of employee

25-35                      20

35-45                      7

45-55                      8

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Total                       50

Find:

Average employee [Mean]

Computation:

Interval     X[u+l]/2 Number of employee   fx

25-35         30           20                              600

35-45         40             7                              280

45-55         50            8                              400

55-65         60            15                             900

Total                           50                            2,180

Average employee [Mean] = Sum of fx / Sum of x

Average employee [Mean] = 2,180 / 50

Average employee [Mean] = 43.6

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Step-by-step explanation:

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