Solve the problem.If a license plate consists of four digits, how many different licenses could be created having at least one digit repeated.
A. 3024 licenses
B. 10,000 licenses
C. 5040 licenses
D. 4960 licenses
Answer: D
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 0 for r(t) = t2i + (10t3 - 6)j + 
k
A. a(0) = 2i - 
k
B. a(0) = 2i - 
k
C. a(0) = 2i - 
k
D. a(0) = 2i + 
k
Mathematics
Perform the indicated operation and simplify.
+ 
A. 
B. 3m + 7
C. 
D. 
Mathematics
Solve the inequality, then graph the solution.-2 + 6t + 8 ? 5t - 4
A. (-?, 6)
B. (6, ?)
C. (-?, -10]
D. [-10 , ?)
Mathematics
Find the x- and y-intercepts for the equation. Then graph the equation.-4x - 8y = 24
A. x-intercept: (-6, 0), y-intercept: (0, -3)
B. x-intercept: (-3, 0), y-intercept: (0, -6)
C. x-intercept: (6, 0), y-intercept: (0, -3)
D. x-intercept: (-3, 0), y-intercept: (0, 6)
Mathematics