Solve the problem.A pulley rotates through 50° in one minute. How many rotations (to the nearest tenth of a rotation) does the pulley make in an hour?
A. 150.0 rotations
B. 16.7 rotations
C. 8.3 rotations
D. 300.0 rotations
Answer: C
You might also like to view...
Provide an appropriate response.Write 0.000643 in scientific notation.
A. 6.43 x 10-3 B. 6.43 x 104 C. 6.43 x 10-5 D. 6.43 x 10-4
Solve the problem.A baseball player hit a baseball with an initial velocity of 170 feet per second at an angle of 40° to the horizontal. The ball was hit at a height of 3 feet off the ground. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the horizontal distance the ball traveled?
A. x = 130.22t; y = -16t2 + 109.31t + 3; 6.804 sec; 3.416 sec; 886.017 feet B. x = 130.22t; y = -16t2 + 109.31t + 3; 6.859 sec; 3.416 sec; 893.179 feet C. x = 130.22t; y = -16t2 + 109.31t + 3; 6.859 sec; 3.416 sec; 1502.491 feet D. x = 130.22t; y = -16t2 + 109.31t + 3; 13.718 sec; 3.416 sec; 1786.358 feet
Without solving, determine the character of the solutions of the equation in the complex number system.x2 + 2x - 5 = 0
A. two unequal real solutions B. two complex solutions that are conjugates of each other C. a repeated real solution
Write the number in decimal notation.4.435 × 10-4
A. 443,500 B. 0.00004435 C. 0.0004435 D. 0.000004435