Simplify.
A. 
B. - 
C. 
D. 
Answer: D
Mathematics
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Evaluate or simplify the given expression.cot(csc-1 2x)
A. 
B. 
C. 
D. 4x2 - 1
Mathematics
Choose the equation that matches the graph.
A. x2 = -8y B. x2 = 8y C. y2 = 8x D. 8x2 = y
Mathematics
Write the following as a sum using powers of 10 to show place value.472.8002
A. 4 ? 102 + 7 ? 101 + 2 ? 100 + 8 ? 10-1 + 0 ? 10-2 + 0 ? 10-3 + 2 ? 10-4 B. 4 ? 102 + 7 ? 101 + 2 ? 100 + 8 ? 100 + 0 ? 10-1 + 0 ? 10-2 + 2 ? 10-3 C. 4 ? 103 + 7 ? 102 + 2 ? 101 + 8 ? 100 + 0 ? 10-1 + 0 ? 10-2 + 2 ? 10-3 D. 4 ? 103 + 7 ? 102 + 2 ? 101 + 8 ? 10-1 + 0 ? 10-2 + 0 ? 10-3 + 2 ? 10-4
Mathematics
Rewrite the number or expression as requested.2.79 ? 10-4 (Rewrite as a standard numeral.)
A. 0.00279 B. 0.0000279 C. -279,000 D. 0.000279
Mathematics