Perform the indicated operations and simplify.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Write interval notation.{x?-4 ? x < 0}
A. [-4, 0) B. (-4 ,0] C. (-4, 0) D. [-4, 0]
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Verify the identity.cot2 x = (csc x - 1)(csc x + 1)
What will be an ideal response?
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How much of a 6% solution and a 11% solution would you use to make 250 mL of a 8%-electrolyte solution?
A. 130 mL of the 11% solution, 120 mL of the 6% solution. B. 90 mL of the 11% solution, 160 mL of the 6% solution. C. 100 mL of the 11% solution, 150 mL of the 6% solution. D. 85 mL of the 11% solution, 165 mL of the 6% solution. E. 150 mL of the 11% solution, 100 mL of the 6% solution.
Mathematics
Solve for x. Be sure to reduce your answer. Check your solution.-x = 2
A. x = -2 B. x = 2 C. x = -1 D. x = 0
Mathematics