Prove the identity.
? 
cos(-?)csc(-?)tan(-?) = 1

What will be an ideal response?

cos(-?)csc(-?)tan(-?) =  = 1

Mathematics

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Solve.The temperature at 5:00 was -2° C. Four hours later, it was -12° C. What was the change in temperature?

A. -14° C B. -10° C C. 14° C D. 10° C

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Mathematics

Perform the indicated operation.Add.5n7 + 8n6 + 6

A. 15n7 + 11n6 + 5 B. 14 + 14n7 + 3n6 C. 31n13 D. 14n7 + 14n6 + 3

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Mathematics

Write the partial fraction decomposition of the rational expression.

A.  + 
B.  + 
C.  +  + 
D.  + 

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Mathematics

Solve the problem.The half-life of silicon-32 is 710 years. If 20 grams is present now, how much will be present in 700 years? (Round your answer to three decimal places.)

A. 0 B. 18.679 C. 10.098 D. 0.022

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Mathematics