If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.r = 12.4 inches, ? = 60°, s = ?
A. 13.2 in.
B. 13.3 in.
C. 13.1 in.
D. 13.0 in.
Answer: D
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Solve the problem.Find the area of the shaded sector. Round to one decimal place.
A. 184.7 ft2 B. 92.3 ft2 C. 4.0 ft2 D. 0.7 ft2
Combine like terms when possible. 7st2 - 4st2
A. 3s2t4 B. -3st2 C. 3st2 D. Cannot be simplified
Write a system of equations and use the inverse of the coefficient matrix to solve the system.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. Cable B requires 1 black, 2 white, and 1 red wires. Cable C requires 2 black, 1 white, and 2 red wires. They used 100 black, 110 white and 90 red wires. How many of each cable were made?
A. 10 cable A 103 cable B 20 cable C B. 10 cable A 30 cable B 93 cable C C. 10 cable A 30 cable B 20 cable C D. 20 cable A 93 cable B 10 cable C
Translate the question into an equation. Do not solve.34% of what is 92.9?
A. 92.9 = 34 × n B. n = 92.9 × 34% C. 92.9 = 34% × n D. n = 92.9 × 34