The nth term of a sequence is given. Calculate the fifth partial sum.an = (-1)n+1
A. 
B. 
C. 
D. 
Answer: A
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Use the substitution formula to evaluate the integral.
A. - 
B. 
C. - 
D. - 
Write the converse, inverse, or contrapositive of the statement as requested.If I pass, I'll party.Contrapositive
A. If I don't pass, I won't party. B. I'll party if I pass. C. If I don't party, I didn't pass. D. If I party, then I passed.
Solve the problem.Find the center of mass of the hemisphere of constant density bounded 
and the 
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 1
Solve the problem.The function defined by 
gives the distance in feet that a car going approximately 
will skid in t seconds. Find the time it would take for the car to skid 
. Round to the nearest tenth.
A. 10.1 sec B. 10.3 sec C. 9.9 sec D. 8.9 sec