Express in terms of i.
A. ±20
B. 20i
C. -20i
D. i
Answer: B
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Use the guidelines to evaluate the study. From the information given, what is the biggest flaw in the study?A pharmaceutical company conducted a study to test the effectiveness of its new anti-depression medication. 500 adults suffering from depression were selected at random and were randomly assigned to either a treatment group or a placebo group. The experiment was double blind. The results were analyzed by the company.
A. Confounding variables B. The setting may not encourage honest responses C. Selection bias D. Variables are difficult to define/measure E. The source of the study
Give the value of the function in radians. Round to the nearest thousandth when necessary.sin-1 -0.4320
A. 2.695 B. 3.588 C. 2.018 D. -0.447
Set up a matrix equation with integer values that is equivalent to the system of equations.
What will be an ideal response?
Match the graph to the function listed whose graph most resembles the one given.
A. square function B. reciprocal function C. linear function D. absolute value function