Solve the problem.In how many ways can a group of 6 students be selected from 7 students?
A. 42 ways
B. 1 way
C. 6 ways
D. 7 ways
Answer: D
Mathematics
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If 
find 
and 
a. 
(x) = –6 cos(2x)+ 2cos(x)
b. 
(x) = –6sin(x) + sin(2x)
c. (x) = –6sin(2x) + sin(x)
d. (x) = –6 cos(x)+ 2cos(2x)
e. (x) = –2 cos(2x)+ 6cos(x)
Mathematics
Translate the given formula to an English phrase using the word "varies".V = ?r2h, where V is the volume of a cylinder of radius r and height h.
What will be an ideal response?
Mathematics
Find the real solutions of the equation.x = 7
A. {0, 7} B. {-7, 7} C. {0, 49} D. {-49, 49}
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.81x2 - 126x + 49
A. (9x - 8)2 B. (9x + 7)2 C. (9x + 7)(9x - 7) D. (9x - 7)2
Mathematics