Solve.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 25 seconds with an average speed of 6 feet per second. Find the average speed of the swimmer if it takes him 50 seconds to finish the race.
A. 3 feet per second
B. 2 feet per second
C. 4 feet per second
D. 5 feet per second
Answer: A
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Find an equation for the line with the given properties.Perpendicular to the line x = -6; containing the point (4, 3)
A. y = 3 B. x = 4 C. y = 4 D. x = 3
Given matrix A, find the indicated minor.Find M21.A =
A. 27 B. -27 C. 33 D. -33
Sales of the text "Calculus and You" have been declining continuously at an annual rate of 8%. Assuming that "Calculus and You" currently sell 800 copies per year and that sales will continue this pattern of decline, calculate total future sales of the text. Use the formula for continuously compounded interest with a negative rate. ?
A. 100,000 copies B. 80,000 copies C. 10,000 copies D. 250,000 copies E. 500,000 copies
Solve.5x - (4x + 5) = 3
A. 7 B. 10 C. 8 D. 9