Solve the problem.A wire of length 9x is bent into the shape of a square. Express the area A of the square as a function of x.

A. A(x) = x2
B. A(x) = x2
C. A(x) = x2
D. A(x) = x2


Answer: B

Mathematics

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Solve the problem.A company adopts an advertising campaign to weekly add to its customer base. It assumes that as an average fifty percent of its new customers, those added the previous week, will bring in one friend, but those who have been customers longer will not be very effective as recruiters and can be discounted. A media campaign brings in 10,000 customers initially. What is the expected total number of customers with whom the company can expect to have dealings?

A. 20,000 customers B. The sum diverges to infinity. C. 15,000 customers D. 30,000 customers

Mathematics

Solve the equation. Give an approximate solution to four decimal places.86x = 2.2

A. {0.0550} B. {0.0632} C. {2.2750} D. {1.8956}

Mathematics

What is the degree of the expression?(4 - 5x3)5

A. -3 B. 8 C. 5 D. 15

Mathematics

Find the sum.

A. 1,333 B. 1,147 C. 1,224.5 D. 1,116

Mathematics