Graph the equation.
+ 
= 1
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Vector v has the given magnitude and direction. Find the horizontal or vertical component of v, as indicated, if ? is the direction angle of v from the horizontal. Round to the nearest tenth when necessary.? = 46.7°, ?v? = 86.5; Find the horizontal component of v.
A. 122.3 B. 3.7 C. 63 D. 59.3
Mathematics
Using the factoring method, solve for the roots of the quadratic equation.9y2 + 21y + 10 = 0
A. y = 
, y = 
B. y = 
, y = - 
C. y = - 
, y = - 
D. y = - 
, y = - 
Mathematics
Use finger multiplication to do the calculations.
?
?
A. 425 B. 549 C. 1,098 D. 9 E. 61
Mathematics
Assume x and y are functions of t. Evaluate dy/dt.x3 + y3 = 7; 
= 2, x = -1
A. - 8
B. 
C. - 
D. - 
Mathematics