If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.s = 3.3 meters, ? = 1.1 radians, r = ?
A. 1.5 m
B. 3 m
C. 0.33 m
D. 2.6 m
Answer: B
Mathematics
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Solve the problem.A bike road race starts at an elevation of 830 feet and passes through 5 stages where the elevation changes by 185 feet, -270 feet, 584 feet, -134 feet, and 568 feet. At what elevation does the race end?
A. 1349 feet B. 1763 feet C. -2571 feet D. 2571 feet
Mathematics
Simplify the expression using the order of operations. (7.3)2 + (8.6)2
A. 252.81 B. 127.25 C. 31.8 D. 63.6
Mathematics
Multiply using a special product formula.(x + 9)2
A. 81x2 + 18x + 81 B. x2 + 18x + 81 C. x + 81 D. x2 + 81
Mathematics
Find the standard equation of the parabola that satisfies the given conditions. Vertex: (4, 0); focus: (8, 0)
A. y2 = 16(x - 4) B. x2 = 16(y - 4) C. y2 = -16(x - 4) D. (y - 4)2 = 16x
Mathematics