Solve the equation.
- 
= 
A. m = -10
B. m = -9
C. m = -6
D. m = -5
Answer: A
Mathematics
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Two vectors u and v are given. Find the angle (expressed in degrees) between u and v.
 figure 1.png)
(a) 1.3°
(b) 1.2°
(c) 63.9°
(d) 36.9°
(e) none of these
Mathematics
Perform the given set operation.
?
Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9}.
?
?
A. {1, 3, 5 ,7} B. {2, 4, 6} C. {1, 2, 3, 4, 5, 6, 7, 8} D. {2, 4, 6, 8, 10} E. {1, 3, 5, 7, 9}
Mathematics
Solve the problem.y varies directly as x and inversely as the square of z. y = 20 when x = 32 and z = 4. Find y when x = 39 and z = 5.
A. 19.5 B. 78 C. 15.6 D. 38.09
Mathematics
Find a general term an for the geometric sequence.
, 
, 
, 
, ....
A. an = 
n - 1+ 2
B. an = 
(5)n - 1
C. an = 
+ 2(n - 1)
D. an = 
+ 5(n - 1)
Mathematics