Write the power of i as i, -1, -i, or 1.i4

A. -i
B. i
C. 1
D. -1


Answer: C

Mathematics

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In order to answer the given question, which of the following types of study would be the most appropriate: an experiment without blinding, an experiment with single blinding, an experiment with double blinding, an observational study, or a case-control study?Does the new medication relieve depression?

A. Observational study B. Case-control study C. Experiment with single blinding D. Experiment without blinding E. Experiment with double blinding

Mathematics

You randomly select one card from a 52-card deck. Find the probability of selecting the card in the problem.an ace or a 6

A.
B. 7
C.  
D.

Mathematics

Verify that each equation is an identity.sin(4u) = 2 sin(2u) cos(2u)

What will be an ideal response?

Mathematics

A searchlight rotates through one complete revolution every 2 seconds. How long does it take the light to rotate through 180°? ?  __________ sec.

Fill in the blank(s) with the appropriate word(s).

Mathematics