Find all real numbers in the interval [0, 2?) that satisfy the equation. tan 2x - tan x = 0
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.How long will it take for prices in the economy to double at a 7% annual inflation rate?
A. 16.24 yr B. 9.01 yr C. 10.24 yr D. 23.45 yr
Mathematics
Find the equation in standard form of the parabola described.The vertex has coordinates (3, -5), and the focus has coordinates (4, -5).
A. (y + 5)2 = -4(x - 3) B. (x + 3)2 = -4(y - 5) C. (y + 5)2 = 4(x - 3) D. (x + 3)2 = 4(y - 5)
Mathematics
Decompose into partial fractions.
A. 
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B. 
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C. 
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D. 
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Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, tan ? < 0Find sin(2?).
A. 
B. 
C. - 
D. 
Mathematics