Determine if the matrix below is invertible. Use as few calculations as possible. Justify your answer. [Start 3 By 3 Matrix 1st Row 1st Column 3 2nd Column 0 3rd Column 0 2nd Row 1st Column negative 5 2nd Column negative 4 3rd Column 0 3rd Row 1st Column 7 2nd Column 6 3rd Column negative 1 EndMatrix ]Choose the correct answer below. A. The matrix is not invertible. The given matrix has two pivot positions. B. The matrix is not invertible. If the given matrix is A, the equation Axequalsb has no solution for some b in set of real numbers R cubed. C. The matrix is invertible. The given matrix has three pivot positions. D. The matrix is invertible. If the given matrix is A, there is a 3times3 matrix C such that CIequalsA.

2 x t divided by n

step-by-step explanation:

answer:

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

explanation:

service only with 20% tip  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

in the opening of the question the word 'service' is associated only with the pretax value.

the closing part of the question asks: how much did she pay for the  

service

−−−−−−  

so technically the answer is  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

however, the intention of the question provider may have been that your answer is to be  

$

87.12

(

1

+

8

100

)

=

$

94.09

to 2 decimal places.

'

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

tony b

mar 21, 2017

answer:

trying to explain it another way

explanation:

service charge  

.

→

$

72.60

20% tip  

20

100

×

$

72.60

=

$

14.52

−−−−−−  

←

add

$

87.12

tax  

8

100

×

$

87.12

=

$

6.97

−−−−−  

←

add

$

94.09

related questions

d is the correct answer

step-by-step explanation:

x= 8 because 3x = 3 * 8, and 3*8 = 24

idk man good luck man