Solve the problem.How many 6-symbol codes can be formed using 4 different symbols? Repeated symbols are allowed.
A. 4,096
B. 30
C. 360
D. 15
Answer: A
Mathematics
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Write as a decimal.0.95%
A. 0.95 B. 0.0095 C. 0.0105 D. 0.095
Mathematics
Perform the indicated operations.( 5x4 - 10x2 + 5x ) - ( 7x3 + 7x2 - 7x + 7)
A. 5x4 + 7x3 + 17x2 + 12x - 7 B. 5x4 - 7x3 - 3x2 - 2x + 7 C. 12x7 + 13x3 + 7 D. 5x4 - 7x3 - 17x2 + 12x - 7
Mathematics
Solve the quadratic equation and simplify your answer. Use i notation for any complex numbers.
- 
= - 
A. x = 
, x = 7
B. x = 
, x = 7
C. x = - 
, x = 7
D. x = 
, x = -7
Mathematics
Find the equation in standard form of the parabola described.The vertex has coordinates (6, -3), and the focus has coordinates (1, -3).
A. (y + 3)2 = -20(x - 6) B. (x + 6)2 = -8(y - 3) C. (x + 6)2 = 8(y - 3) D. (y + 3)2 = 20(x - 6)
Mathematics