Use Cramer's rule to solve the system.-2x - 4y - 4z = -62 -4y + 3z = -7-4x - 4z = -40
A. {(3, -7, -7)}
B. {(4, 5, 7)}
C. {(7, 7, 7)}
D. {(3, 7, 7)}
Answer: D
Mathematics
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A. (15x + 4)(x + 2) B. (3x - 4)(5x - 2) C. (15x - 4)(x - 2) D. (3x + 4)(5x + 2)
Mathematics
Convert the other base number to base 10.230115
A. 3465 B. 496 C. 7426 D. 346
Mathematics
Solve the following equation for x.- 
x = - 4
A. 3 B. -3 C. 10 D. 2
Mathematics
Solve the problem.What is the range of the cotangent function?
A. all real numbers from -1 to 1, inclusive B. all real numbers greater than or equal to 1 or less than or equal to -1 C. all real numbers, except integral multiples of ?(180)° D. all real numbers
Mathematics