Solve the problem.Anne and Nancy use a metal alloy that is 13% copper to make jewelry. How many ounces of an alloy that is 11% copper must be mixed with an alloy that is 16% copper to form 55 ounces of the desired alloy?
A. 27 ounces
B. 33 ounces
C. 35 ounces
D. 22 ounces
Answer: B
Mathematics
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Find the value of the x-coordinate of the points at which the functions intersect, and approximate the area of the region described. Round to two decimal places when necessary.f(x) = sinh x, g(x) = tanh x; the region bounded by the graphs of f, g, and ln 4
A. x = 0; 0.26 B. x = 0; 0.37 C. x = 0; 1 D. x = 0; 0.33
Mathematics
Write the improper fractions as whole or mixed numbers. 
A. 4
B. 
C. 2
D. 3
Mathematics
Solve the problem.The sequence 9, 3, 1, 
, . . . appears to be of which type?
A. Fibonacci B. arithmetic C. exponential D. geometric E. logistic
Mathematics
Provide an appropriate response.With the declining-balance method, the book value of an asset should never be less than the salvage value.
A. True B. False
Mathematics