How many rows and columns has the matrix 4 × 7?
?
A. 7 rows, 7 columns
B. 7 rows, 4 columns
C. 4 rows, 7 columns
D. 4 rows, 4 columns
E. 28 rows, 28 columns
Answer: C
Mathematics
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Solve the problem.Suppose that one out of every five federal tax returns which are submitted has an error. Out of 10,000 submitted returns, find the probability that there are at most 2000 with an error.
A. approximately 0.25 B. approximately 0.95 C. approximately 0.5 D. approximately 0.025 E. approximately 0.75
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Provide an appropriate response. Find the equation of the line that is normal to the line x + 5y = 7 and passes through the point (2, 4). Write the equation in standard form.
A. y = - 
x + 
B. y = 5x - 6
C. y = -x + 6
D. y = -5x + 14
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Plot the point.(-1, -5)
A. 
B. 
C. 
D. 
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Convert to fraction notation.8
A. 
B. 
C. 
D. 
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