Identify the equation as either an identity or not.2 sin 5x cos x = sin 6x + sin 4x
A. Identity
B. Not an identity
Answer: A
Mathematics
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Write the first five terms of the arithmetic sequence with the given values.a5 = 2, d = -2
A. -10, -8, -6, -4, -2 B. 14, 11, 8, 5, 2 C. 0, 10, 8, 6, 4 D. 10, 8, 6, 4, 2
Mathematics
Multiply. Write a mixed numeral for the answer.2
? 3
A. 6
B. 8
C. 6
D. 7
Mathematics
Find the product.(x + y)(x2 - xy + y2)
A. x3 + y3 B. x3 - y3 C. x3 - 2x2y - 2xy2 + y3 D. x3 + 2x2y + 2xy2 + y3
Mathematics
Express as a difference of logarithms.logg 
A. logg M - logg 10 B. logg 10 - logg M C. logg (M - 10) D. logg M ÷ logg 10
Mathematics