Use the reciprocal identities for the following problem.

If tan ? = 5a, (a? 0) find cot ?.

A.
B.
C.
D.
E.


Answer: A

Mathematics

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Solve the problem.Assume that the temperature of a person during an illness is given by  for  where T is the temperature (°F) at time t, in days. Sketch the graph of the function. Find the maximum temperature and the time at which it occurs. 

A.

Maximum temperature is 101.6°F;
occurs after 7.5 days
B.

Maximum temperature is 101.6°F;
occurs after 5.5 days
C.

Maximum temperature is 98.6°F;
occurs after 11 days
D.

Maximum temperature is 102.6°F;
occurs after 5.5 days

Mathematics

Provide an appropriate response.If $4,200 is invested at an annual rate of 5.4% compounded monthly for 10 years, find the compound amount.

What will be an ideal response?

Mathematics

Find the depreciation in the first partial year. Round to the nearest dollar.Cost: $8230Salvage: $630Life: 5 yearsMethod: Straight-lineAcquired: June 1

A. $1646 B. $960 C. $1520 D. $887

Mathematics

Find the prime factorization of the number. If the number is prime, state this.43

A. 3 ? 3 ? 5 B. Prime C. 2 ? 3 ? 5 D. 3 ? 5 ? 7

Mathematics