Solve the equation.-40 = 5k
A. k = -45
B. k = 45
C. k = 1
D. k = -8
Answer: D
Mathematics
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Make the indicated conversion.Convert 11111000two to octal.
A. 162408 B. 4608 C. 3708 D. 2308
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Find the median of the random variable x with the probability density function defined on the indicated interval I. The median of x is defined to be the number m such that 
. Observe that half of the x-values lie below m and the other half lie above m. Round the answer to two decimal places, if necessary.
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What will be an ideal response?
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Find the inverse of the invertible matrix.
A. 
B. 
C. 
D. 
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Find A-1 if it exists.A = 
A. 
B. 
C. 
D. 
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