Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sin (-60°)
A. 
B. - 
C. - 
D. 
Answer: B
You might also like to view...
If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the acceleration vector.r(t) = (3 ln(8t))i + (2t3)j
A. a = - 
i + 12tj
B. a = 
t-2i + 12tj
C. a = 
i + 6tj
D. a = - 
t-2i + 12tj
Solve the problem.The distance an object is from the ground after being tossed from a hot air balloon 750 feet in the air is a function of time: f(t)
where f(t) is height and t is the amount of time the object has been in the air. Predict the height of the object after 5.5 seconds.
A. 696.10 feet B. 228.33 feet C. 0 feet D. 297.63 feet
Write a system of two inequalities that describe the constraints in the problem.An office manager needs to buy new filing cabinets. Cabinet A costs $6, takes up 5 square feet of floor space, and holds 7 cubic feet of files. Cabinet B costs $8, takes up 8 square feet, and holds 14 cubic feet. He has only $66 to spend and the office has room for no more than 59 square feet of cabinets. Let x equal the number of cabinet A's bought and y equal the number of cabinet B's bought.
A. 6y + 8x ? 66, 5y + 8x ? 59 B. 7x + 14y ? 59, 59x + 66y ? 8 C. 6x + 8y ? 66, 5x + 8y ? 59 D. 7y + 14x ? 59, 59y + 66x ? 8
Simplify.(10x3)3
A. 10x9 B. 10x3 C. 1000x27 D. 1000x9