Provide an appropriate response. =

A.
B.
C.
D.
E.


Answer: A

Mathematics

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Solve the problem.A formula for the focal length of a lens is f = . Calculate f (the focal length) for a = 14 cm and  Round to the nearest tenth.

A. 6.7 cm B. 6.5 cm C. 7.3 cm D. 7.0 cm

Mathematics

Solve the problem.Khang borrows $2500 at a rate of 9.5% compounded semiannually. Find how much Khang owes at the end of 3 years.Use: A = Pntwhere:A = final amountP = $2500 (the amount borrowed)r = 9.5% = 0.095 (the annual rate of interest)n = 2 (the number of times interest is compounded each year)t = 3 (the duration of the loan in years)

A. $3302.66 B. $15,712.50 C. $2873.44 D. $3632.93

Mathematics

Provide an appropriate response.In a state with a population of 4,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state? Write your answer in scientific notation.

A. $2.4 × 109 B. $24 × 1011 C. $24 × 1010 D. $2.4 × 1010

Mathematics

Write a symbolic representation for the linear function f that computes the following.The cost of renting a car for x days with a total of 80 miles if there is a fixed charge of $27 per day and a charge of $0.25 per mile.

A. f(x) = 27x + 0.25 B. f(x) = x + 20 C. f(x) = 27x + 20 D. f(x) = 80x + 27

Mathematics