Out of a collection of 100 coins one old coin has heads on both sides. A coin is selected at random from the collection and tossed once. It comes up heads. Find the probability it was the two-headed coin.
What will be an ideal response?
Mathematics
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Evaluate the integral.
A. 
cosh 
+ C
B. 2 cosh 
+ C
C. 2
cosh 
+ C
D. - 2 cosh 
+ C
Mathematics
Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics
Solve.A pendulum bob swings through an arc 50 inches long on its first swing. Each swing thereafter, it swings only 70% as far as on the previous swing. How far will it swing altogether before coming to a complete stop?
A. 71 inches B. 143 inches C. 83 inches D. 167 inches
Mathematics
Find the limit.
A. 15
B. 4
C. 16
D. 
Mathematics