Solve the problem.The outfield wall in a baseball park is in the shape of a quarter circle. If the radius of the circle is 7 feet, how long is the wall? Use 3.14 for ?. Round your answer to the nearest tenth.
A. 5.5 ft
B. 22.0 ft
C. 9.0 ft
D. 11.0 ft
Answer: D
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Estimate the sum as indicated. Then answer the question.Estimate the following sum by first rounding to the nearest hundred. Does the estimate give you reason to doubt the stated sum?
A. Estimate: 52,600 ; no B. Estimate: 52,500 ; yes C. Estimate: 52,600 ; yes D. Estimate: 52,500 ; no
Decide whether the relation is a function, and give the domain and range.
A. Function; domain: (-?, ?); range: [3, ?) B. Function; domain: [3, ?); range: (-?, ?) C. Not a function; domain: (-?, ?); range: [3, ?) D. Not a function; domain: [3, ?); range: (-?, ?)
Determine the vertex of the graph of the parabola.y = 2x2 + 20x + 52
A. (2, -5) B. (-5, 2) C. (2, 5) D. (5, 2)
Find the volume.
A. 550 cm2 B. 115 cm3 C. 26 cm3 D. 550 cm3