Add the given vectors by using the trigonometric functions and the Pythagorean theorem.A = 28, ? = 211 °B = 11, ? = 201 °
A. R = 7, ? = 208°
B. R = 39, ? = 242°
C. R = 39, ? = 28°
D. R = 39, ? = 208°
Answer: D
Mathematics
You might also like to view...
Perform the indicated operations.m = 
(slope of secant to curve f(x) = 
)
A. m = - 
B. m cannot be simplified.
C. m = 
D. m = 
Mathematics
Solve.In a biology class, the following test scores were recorded for a student: 85, 77, 73, 73, 85, 87. Find the mean, median, and mode for the data.
A. mean: 81, median: 80, mode: 85 B. mean: 81, median: 81, mode: 73 C. mean: 80, median: 81, mode: 73 and 85 D. mean: 80, median: 73, mode: 87
Mathematics
If possible, evaluate the expression at the given value of the variable.
, x = -3
A. 4 B. - 4 C. - 2 D. 2
Mathematics
State whether the given measurements determine zero, one, or two triangles.C = 38°, a = 23, c = 19
A. Zero B. One C. Two
Mathematics