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Lerok [7]
3 years ago
5

Luis wants to buy a skateboard that usually sells for 79.99.All merchandise is discounted by 12%.what is the total cost of the s

kateboard if Luis has to pay a state sales tax of 6.75%?
Mathematics
1 answer:
White raven [17]3 years ago
3 0
$79.99 * (100-12)% * (100+6.75)%

around $75.14 
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olya-2409 [2.1K]

Answer:

Answers provided below

Step-by-step explanation:

From the simultaneous linear equation, we have the coefficient matrix as;

(3 4 5)

(2 -1 8)

(5 -2 7)

The x-matrix is Dx is given by;

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Similarly, the y-matrix Dy is given by;

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Also,the z-matrix Dz is given by;

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Determinant of the coefficient matrix from online determinant calculator is;

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Determinant of the y-matrix from online determinant calculator is; Dy = 696

Determinant of the z-matrix from online determinant calculator is; Dz = 576

From crammers rule;

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Step-by-step explanation:

8 0
3 years ago
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Please actually help me. ill give brainliest if you explain your answer.
meriva

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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