Solve.Find the sum of the first 108 positive multiples of 5.
A. 29,430
B. 29,160
C. 28,890
D. 29,703
Answer: A
Mathematics
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Use the given information to find the exact value of the trigonometric expression.cos ? = - 
; 
< ? < ?
Find cos(2?).
A. - 
B. 
C. - 
D. 
Mathematics
Solve the equation and express the solution in exact form.log4(log4 x) = 1
A. {256} B. {4} C. {8} D. {16}
Mathematics
Consider the series 
.
?
Find the radius of convergence of the power series.
?
__________
?
Find the interval of convergence of the power series.
?
__________
What will be an ideal response?
Mathematics
Solve the problem.A certain radioactive isotope decays at a rate of 0.25% annually. Determine the half-life of this isotope, to the nearest year.
A. 3 yr B. 120 yr C. 277 yr D. 200 yr
Mathematics