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tankabanditka [31]
3 years ago
9

Solve the equation. 20 = –d + 16 A. 4 B. –10 C. –6 D. –4

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
3 0
Hello there
The correct answer to this question would be D: negative 4

This is because the negatives from negative 4 and negative d would cancel each other out, to make it a positive 4, resulting in the equation being: 20 = 4 + 16 ,  which is true

I hope this helped ^^
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Let the polynomials A = 7x² + 3xy and B = -3xy .
bija089 [108]

Answer:

– 21x^3 y – 9x^2 y^2 e) is your answer

Step-by-step explanation:

Solve the following system for A and B:

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Express the system in matrix form:

(1 | 0

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Write the system in augmented matrix form and use Gaussian elimination:

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then we multiply the results (7 x^2 + 3 x y) ( -3 x y) =  – 21x^3 y – 9x^2 y^2

7 0
3 years ago
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hram777 [196]
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