A plane headed due south is traveling with an airspeed of 180 miles per hour. The wind currents are moving with constant speed in the direction 30°. If the ground speed of the plane is 90 miles per hour, what is its true course?
?
True course: __________°
Fill in the blank(s) with the appropriate word(s).
120
Mathematics
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The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(0, 2)
A. decreasing B. increasing C. constant
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); vertex at (0, 2); focus at (0, 
)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Find the expression.u = 
, v = 
Find 7u + 7v
A. 
B. 
C. 
D. 
Mathematics