Solve the problem.A wheel is rotating at 5 radians per second, and the wheel has a 68-inch diameter. To the nearest foot per minute, what is the linear speed of a point on the rim?

A. 850 ft per min
B. 845 ft per min
C. 840 ft per min
D. 855 ft per min


Answer: A

Mathematics

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Find the natural number b that makes the expression a perfect square trinomial.9x2 - bx + 64

A. 576 B. 1152 C. 48 D. 24

Mathematics

Provide an appropriate response.Find a linear function, f, given f(4) = 5 and f(-7) = -0.5.

A. f(x) = x - 3
B. f(x) = - x + 2
C. f(x) = x + 2
D. f(x) = x + 3

Mathematics

Solve.Mr. Alvarez grosses $500 a week. If his take-home pay is $417.67, how much money was deducted from his gross weekly pay?

A. $83.43 B. $83.33 C. $82.33 D. $82.43

Mathematics

In January, the Left Coast Bookstore chain sold 900 hardcover books, 1,200 softcover books, and 1,600 plastic books in San Francisco; it sold 600 hardcover, 500 softcover, and 700 plastic books in Los Angeles. Hardcover books sell for $34 each, softcover books sell for $8 each, and plastic books sell for $14 each.

 HardSoftPlasticSan Francisco9001,2001,600Los Angeles600500700?
Suppose that each hardcover book costs the stores $10, each softcover book costs $5, and each plastic book costs $10.Use matrix operations to compute the the total profit at each store in January.Please enter your answer as a  column matrix in the following form:
?


What will be an ideal response?

Mathematics