Find the magnitude and direction angle for the following vector. Give the direction angle as an angle in [0°, 360°) rounded to the nearest tenth.

A. , 189.5°
B. , 9.5°
C. , 260.5°
D. , 80.5°


Answer: D

Mathematics

You might also like to view...

Is the ordered pair a solution of the given system of equations?(5, -2), 

A. Yes B. No

Mathematics

Solve the problem.The height s of a ball (in feet) thrown with an initial velocity of 80 feet per second from an initial height of 4 feet is given as a function of time t (in seconds) by  What is the maximum height? Round to the nearest hundredth, if necessary. 

A. 100.25 ft B. -74.75 ft C. 104 ft D. 116.5 ft

Mathematics

Add or subtract as indicated.-4.949 - 4.717

A. 9.666 B. 23.344 C. 0.232 D. -9.666

Mathematics

Choose the equivalent expression for the given expression.sin2x

A. cos2x - 1 B. 1 -  cos2x  C. 1 +  cos2x  D. 1 -  csc2x 

Mathematics