Use differentials to estimate the amount of paint needed to apply a coat of paint 0.0017 cm thick to a hemispherical dome with diameter 70 m.
Select the correct answer.
a. 4.165?
b. 2.52?
c. 4.11?
d. 3.82?
e. 2.28?
a. 4.165?
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A pitching machine throws 70% strikes and 30% balls. Five pitches will be thrown by the machine.What is the probability that the machine will throw three balls and two strikes?
A. 0.2 B. 0.06615 C. 0.01323 D. 0.1323 E. none of these
Use algebraic and/or graphical methods to solve the inequality.
? 
A. -6 ? x ? 1 or x ? 
B. -6 < x < 1 or x ? 
C. -1 < x < 6 or x > 
D. -1 ? x ? 6 or x ? 
?
Determine the principal that must be invested at rate r, compounded monthly, so that 
will be available for retirement in t years.
(Round the answer up to 2 decimal places.)
A. 
B. 
C. 
D. 
E. 
Find the unknown in each percent question.0.3 is what percent of 16?
A. 0.01875% B. 0.1875% C. 1.875% D. 5333%