Use Cramer's rule to solve the linear system.-2x - 9y + 8z = -327x + 3y + 4z = 1014x - 9y - 2z = -28
A. (9, 6, 5)
B. (6, 5, 6)
C. (10, 4, 5)
D. (9, -6, -5)
Answer: A
Mathematics
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Solve the following equations by determinants:
4x - 3y = 10; 3x - 3y = 7 a. 21 21 x = ÄÄ y = ÄÄ 51 2 b. 2 x = 5 y = ÄÄ 21 c. 31 2 x = ÄÄ y = - ÄÄ 21 21 d. 2 x = 3 y = Ä 3 e. 51 2 x = - ÄÄ y = ÄÄ 21 21
Mathematics
Answer the question.What does the digit 5 mean in the number 985,121?
A. ten-thousands B. thousands C. hundred-thousands D. hundreds
Mathematics
Simplify.
A. 
B. - 
C. 
D. - 22
Mathematics
Write an equation of the line.
A. y = - 5x
B. y = 5x
C. y = 
x
D. y = - 
x
Mathematics